Dr. N. Chaitanya Kumar

Publications & scholarly work

03 / RESEARCH

Security at the core.
Intelligence in application.

RESEARCH AREA 01

Cryptography & information security

Elliptic curve cryptography, bilinear pairings, identity-based encryption and secret-sharing schemes.

RESEARCH AREA 02

Distributed & networked systems

Distributed public-key infrastructure, mobile ad hoc networks, authentication and resource-constrained computing.

RESEARCH AREA 03

Multimodal artificial intelligence

Visual question answering, natural language processing and speech-emotion recognition.

RESEARCH AREA 04

Applied machine learning

Medical-image analysis, cybersecurity attack detection and intelligent-system applications.

Research supervision

POSTGRADUATE RESEARCH

7 completed M.Tech. dissertations

Dissertation supervision at SNIST under JNTU Hyderabad, 2014–2020. Topics include attribute-based encryption, secret sharing, MANET security, IoT authentication and web-application fault localization.

DOCTORAL RESEARCH

9 Ph.D. scholars

1 submitted · 8 in progress

Ph.D. research scholars

Name	Registration / reference	Research title / area	Status
Y. Harika Devi	193030087	Multimodal Deep Learning Architectures for Enhanced Visual Question Answering Using Attention and Language Intelligence	Submitted
Koiloth S CH S Harini	2312031071	Enhance Data Security and Privacy in Mobile Devices Using ECC Integrating with Machine Learning Algorithms	In progress
Sujatha Godavarthi	2412031050	Machine Learning and Deep Learning for IoT-Based Heart Disease Prediction	In progress
Suneeta Netala	2412031052	Blockchain, Information Security and Cryptography	In progress
Ch. Veena	2412031072	Intelligent Multifactor Authentication for Enhanced Security: Leveraging Machine Learning Techniques	In progress
Lahari Mekala	2412031095	Multilingual and Multimodal Speech Emotion Recognition Using Deep Learning	In progress
Bathala Subbarayudu	2412031098	Deep Learning and Medical Imaging for Lumbar Spine Disc Degeneration Detection and Classification	In progress
Inguva Vijay Kumar	2412032007	A Study on Performance Optimization Through Early Detection of Cyber Attacks and Enhancing the Communication Speed in IoT Using AI and Optimization Algorithms	In progress
Swathi Alluri	2600061Allotment reference	Blockchain, Information Security and Cryptography	In progress

Research directions

VISUAL QUESTION ANSWERING

Visual attention meets
language intelligence.

Research on hybrid deep-learning architectures for context-aware visual question answering, bringing together visual attention and language intelligence.

RESEARCH RECORD

Journal work, conference contributions and preprints.

04 / PUBLICATIONS

The research record.

2026Journal article

ACAMT: An Adaptive Cross-Attention Multimodal Transformer for Speaker-Independent Multilingual Speech Emotion Recognition

Lahari Mekala; N. Chaitanya Kumar

Journal of Intelligent Decision Making and Information Science

Scopus · CiteScore 2025: 3.4

3(16s), 1483–1498 · 3 October 2026 · ISSN 3079-0875Publisher record Journal metrics

2026Journal article

Advancements in Visual Question Answering Methodologies: Incorporating LSTM and Pre-trained CNN Features

Y. Harika Devi; N. Chaitanya Kumar

Journal of Theoretical and Applied Information Technology

104(12) · 30 June 2026Publisher record

2026Journal article

Integrating Advanced CNN and BERT Models for Enhanced Visual Question Answering with Attention Mechanisms

Y. Harika Devi; N. Chaitanya Kumar

International Journal of Artificial Intelligence and Machine Learning

6(6s), 875–892 · 24 June 2026Publisher record

2023Journal article

A Hybrid Approach Using CNN and DQN Technique for Diagnosis Pneumonia in Chest X-Ray Images

Jasmine Sabeena; N. Chaitanya Kumar

International Journal on Recent and Innovation Trends in Computing and Communication

11(10s), 304–311Publisher record

2021Journal article

Threshold Decryption on Subset Functions in Identity-Based Encryption

Design Engineering

Issue 9, 10484–10499

2021Journal article

A Novel Active Information Replication Mechanism for Cloud and Big Data

Korla Swaroopa; N. Chaitanya Kumar; Kadiri Padmaja; D. Shobha Rani; Sanjaya Kumar Sarangi

Design Engineering

Issue 8, 5395–5407

2021Journal article

Secret Sharing Scheme and Elliptic Curve Cryptography in MANETs

V. Srikanth; N. Chaitanya Kumar

Turkish Journal of Computer and Mathematics Education

11(3), 1108–1117 · Online 2021; issue 2020Publisher record

2020Journal article

Distributive Techniques in MANETs Using Secret Sharing Scheme and Elliptic Curve Cryptography

N. Chaitanya Kumar; V. Srikanth

GIS Science Journal

7(10), 1176–1185

2019Journal article

Subgroup Operations in Identity Based Encryption Using Weil Pairing for Decentralized Networks

N. Chaitanya Kumar; Abdul Basit; Priyadarshi Singh; V. Ch. Venkaiah

International Journal of Network Security

21(6), 930–936

2018Journal article

Lightweight Cryptography for Distributed PKI Based MANETs

N. Chaitanya Kumar; Abdul Basit; Priyadarshi Singh; V. Ch. Venkaiah

International Journal of Computer Networks & Communications

10(2), 69–83Repository version

2017Journal article

Node Authentication Using BLS Signature in Distributed PKI Based MANETs

N. Chaitanya Kumar; Abdul Basit; Priyadarshi Singh; V. Ch. Venkaiah; Y. V. Subba Rao

International Journal of Network Security & Its Applications

9(4), 33–44Repository version

2017Journal article

Sub-Group Operations in MANET Using Bivariate Polynomial

Manohar Sai; N. Chaitanya Kumar

International Journal for Research in Applied Science & Engineering Technology

5(10), 1566–1569

2015Journal article

Implementation of Key Management Strategies for Attribute-Based Encryption

Vetcha Pujitha; N. Chaithanya Kumar

International Journal of Research in Computer Science & Engineering

5(3), 2709–2715

2014Journal article

Procure Data Apportioning Using Attribute Based Encryption

Adsul Shraddha; Chaitanya Kumar

International Journal of Scientific Engineering and Technology Research

3(32), 6391–6394

2014Journal article

Dynamic Fault Localization in Web Application

Vijay Kumar Akula; Chaitanya Kumar N

International Journal of Computer Sciences and Engineering

2(9), 44–49

2012Journal article

Review of Attacks and Security Threats as Securing in Wireless Ad Hoc Networks

Ch. Vijaya Bhaskar; N. Chaitanya Kumar; M. Nagaraju

International Journal of Engineering Research and Applications

2(4), 1227–1231

09 / PROFESSIONAL CERTIFICATES

Learning that continues.

Microsoft

MTA · Introduction to Programming using Python

Completed 25 Jun 2022

Microsoft

MTA · Security Fundamentals

Completed 30 Jun 2022

Microsoft

Azure Data Fundamentals

Completed 19 Oct 2022

Google / Coursera

IT Support

Completed 3 Nov 2022

Course-level learning

Technical Support Fundamentals
The Bits and Bytes of Computer Networking
Operating Systems and You: Becoming a Power User
System Administration and IT Infrastructure Services
IT Security: Defense against the digital dark arts

Google / Coursera

IT Automation with Python

Completed 3 Dec 2022

Course-level learning

Crash Course on Python
Troubleshooting and Debugging Techniques

Google / Coursera

Data Analytics

Completed 6 Dec 2022

Course-level learning

Foundations: Data, Data, Everywhere
Process Data from Dirty to Clean
Share Data Through the Art of Visualization
Data Analysis with R Programming

Google / Coursera

Project Management

Completed 12 Dec 2022

Course-level learning

Project Execution: Running the Project

Google / Coursera

Digital Marketing & E-commerce

Completed 24 Dec 2022

Course-level learning

Foundations of Digital Marketing and E-commerce
Attract and Engage Customers with Digital Marketing
From Likes to Leads: Interact with Customers Online
Think Outside the Inbox: Email Marketing
Make the Sale: Build, Launch, and Manage E-commerce Stores

Google / Coursera

UX Design

Completed 28 Dec 2022

Course-level learning

Foundations of User Experience (UX) Design
Start the UX Design Process: Empathize, Define, and Ideate
Build Wireframes and Low-Fidelity Prototypes
Create High-Fidelity Designs and Prototypes in Figma

Additional learning & coding

NPTEL · IIT KHARAGPUR

Programming in C++

Eight-week course
January–March 2019

GOOGLE / COURSERA

Foundations of Cybersecurity

Completed 22 July 2023

COMPETITIVE PROGRAMMING

CodeChef · 5-star rating

2025

Technical development & workshops

Android Development with Kotlin

Google Developers

16-21 August 2021

Cyber Security & Forensics

UGC-HRDC, JNTU Hyderabad

26-31 July 2021

Elliptic Curve Cryptography

Society for Electronic Transactions and Security (SETS), Chennai

23-24 January 2013

International Workshop on Information Security (IWIS-2012)

BITS Pilani, Hyderabad Campus

15-19 December 2012

Recent Trends in Data Mining & WEKA Tool

Sreenidhi Institute of Science & Technology, Department of IT

10-11 March 2012

EJB and Web Application Security

C-DAC Hyderabad with JNTU Hyderabad

24 May-4 June 2010

MSIL and Intermediate Representation

IIIT Hyderabad

5-9 December 2005

Publications & scholarly work

Ideas. Code.Academic purpose.

A career at the intersectionof learning and research.

Secure systems.Intelligent applications.

Ph.D. · Computer Science

A foundation builtover time.

B.Tech.Computer Science & Engineering

M.Tech.Software Engineering

Ph.D.Computer Science

Teaching & leadership

KLH University, Bowrampet

Chadalawada Ramanamma Engineering College, Tirupati

Sri Venkateswara Engineering College, Tirupati

Sreenidhi Institute of Science & Technology, Hyderabad

Sree Vidyanikethan Engineering College, Tirupati

Teaching, coordinationand departmental responsibility.

APSET · 2012

Hyderabad, India

Security at the core.Intelligence in application.

Cryptography & information security

Distributed & networked systems

Multimodal artificial intelligence

Applied machine learning

Research supervision

7 completed M.Tech. dissertations

9 Ph.D. scholars

Ph.D. research scholars

Research directions

Visual attention meetslanguage intelligence.

The research record.

ACAMT: An Adaptive Cross-Attention Multimodal Transformer for Speaker-Independent Multilingual Speech Emotion Recognition

Advancements in Visual Question Answering Methodologies: Incorporating LSTM and Pre-trained CNN Features

Integrating Advanced CNN and BERT Models for Enhanced Visual Question Answering with Attention Mechanisms

A Hybrid Approach Using CNN and DQN Technique for Diagnosis Pneumonia in Chest X-Ray Images

Threshold Decryption on Subset Functions in Identity-Based Encryption

A Novel Active Information Replication Mechanism for Cloud and Big Data

Secret Sharing Scheme and Elliptic Curve Cryptography in MANETs

Distributive Techniques in MANETs Using Secret Sharing Scheme and Elliptic Curve Cryptography

Subgroup Operations in Identity Based Encryption Using Weil Pairing for Decentralized Networks

Lightweight Cryptography for Distributed PKI Based MANETs

Node Authentication Using BLS Signature in Distributed PKI Based MANETs

Sub-Group Operations in MANET Using Bivariate Polynomial

Implementation of Key Management Strategies for Attribute-Based Encryption

Procure Data Apportioning Using Attribute Based Encryption

Dynamic Fault Localization in Web Application

Review of Attacks and Security Threats as Securing in Wireless Ad Hoc Networks

Research translatedinto inventions.

Design and Implementation of a Distributed Vision Transformer-Driven Intelligent System for Automated Diagnosis and Multi-Class Classification of Lumbar Intervertebral Disc Degeneration Using Medical Imaging Data

Automatic Emotion-Aware Speech Recognition System for Multilingual Applications Using Deep Learning

Hybrid Deep Learning Architecture for Context-Aware Visual Question Answering Using Visual Attention and Language Intelligence

A New Method of Unmanned Aerial Vehicle Monitoring System for Agriculture Terrestrial Farming Using Machine Learning Techniques

An Intelligent Agricultural System for Advanced Agriculture

Mini FM Transmission: Home Based Mini FM Transmission Using IoT Based System

Knowledge, writtento be shared.

Computer Concepts and C Programming

Mastering Natural Language Processing: A Comprehensive Guide

Convergence of Mobility and Power: Exploring MANETs and High-Performance Computing

Book chapters

Texture Analysis-based Features Extraction & Classification of Lung Cancer Using Machine Learning

Deep Learning Technique for Monitoring Drivers Distraction from Physiological and Visual Signals

Learn by thinking.Learn by building.

From concepts to working code.

Connected course resources.

Courses taught

Problem Solving Through Programming in Java

Data Structures and Algorithms 1

Data Structures and Algorithms 2

Data Structures

Computational Thinking for Structural Design

Tools used in teaching & research

Learning that continues.

MTA · Introduction to Programming using Python

MTA · Security Fundamentals

Azure Data Fundamentals

IT Support

IT Automation with Python

Data Analytics

Project Management

Digital Marketing & E-commerce

UX Design

Ideas. Code.
Academic purpose.

A career at the intersection
of learning and research.

Secure systems.
Intelligent applications.

A foundation built
over time.

B.Tech.
Computer Science & Engineering

M.Tech.
Software Engineering

Ph.D.
Computer Science

Teaching, coordination
and departmental responsibility.

Security at the core.
Intelligence in application.

Visual attention meets
language intelligence.

Research translated
into inventions.

Knowledge, written
to be shared.

Learn by thinking.
Learn by building.