It is with great pride and enthusiasm that I present the inaugural edition of the “International Journal of Science & Technology (PRAGYANAM)”, the journal of the Department of Engineering and Technology, Gurugram University, Gurugram. This journal is built on the conviction that science and technology are the driving forces behind progress, offering innovative solutions to global challenges and paving the way for new discoveries.

As we launch this first edition, I am pleased to introduce a diverse collection of articles that highlight groundbreaking research across a wide array of disciplines. From Artificial Intelligence and Machine Learning to sustainable energy solutions, biotechnology, semiconductors, optical and nano-physics, this edition encapsulates the dynamic nature of contemporary scientific research and technological advancements. Each research contribution is a reflection of the efforts of researchers, practitioners, and scholars dedicated to expanding the horizons of human understanding in science and technology.

The research presented here showcases the potential of cutting-edge technologies to address present-day global challenges and create a more sustainable, connected future. This edition consists of two sections—the first presents 11 research papers, followed by a book review.

The first paper titled, “Nickel-Based Nanocomposites with Tunable Optical Properties for Sustainable Solar Energy Solutions” by Soumya Rai, Himani Chaudhary, Peeyush Phogat, Shreya, Ranjana Jha & Sukhvir Singh explores the development of nickel-based nanocomposites with tunable optical properties to enhance solar energy efficiency. By manipulating these optical characteristics, the authors offer a promising solution to improve solar energy conversion and advance sustainable energy strategies.

Mohd. Amir, Mukesh Pratap Singh & Iram Masood contribute the paper titled, “Absorption Enhancement in Silicon Solar Cells by Incorporation of Metal Nanoparticles”, which investigates how metal nanoparticles can enhance light absorption in silicon solar cells. Their findings demonstrate a significant improvement in solar cell efficiency, pointing to more effective energy harvesting solutions.

The paper titled “Morphological and Optical Analysis of Tungsten Oxide Nanosheets for Gas Sensing Applications” by Tamanna Jindal, Peeyush Phogat, Shreya, Ranjana Jha & Sukhvir Singh presents a comprehensive study on tungsten oxide nanosheets, emphasizing their gas-sensing potential by analyzing their morphological and optical characteristics for industrial and environmental applications.

The next contribution, titled “Organic Solar Cell Based with Inorganic Transport Layers: Performance Analysis and Optimization” by Iram Masood, Mukesh Pratap Singh & Mohd. Amir, investigates the optimization of organic solar cells using inorganic transport layers. The study suggests enhanced charge transport and improved device stability—crucial for the future of efficient solar energy devices.

“A Learning-Based Model for Wheat Disease Detection and Classification” by Rakesh Garg, Neetu Singla, Charu, Sachin Lalar & Shubham Goel introduces a machine learning model utilizing image processing for early detection and classification of wheat diseases, supporting timely interventions and reducing crop losses.

The paper “Energy Consumption Trends in India and Its Impact on the Indian Economy” by Meraj Alam, Rajesh Kumar Saluja, Priyanka Vashisht, Nishi Gupta & Rashmi Jha studies India’s energy consumption patterns and their broader economic impact. It highlights key challenges and opportunities, offering insights into sustainable economic growth aligned with energy efficiency.

A notable research titled “Trajectory Tracking Control of a Two-Link Manipulator Including Actuator Dynamics Based on Sliding Mode Controller” by Manju Rani & Naveen Kumar focuses on improving robotic trajectory tracking using sliding mode control, significantly enhancing the accuracy and reliability of industrial automation systems.

“Study of Wave Propagation in Piezo-Visco-Thermo-Elastic Material” by Vipin Gupta & Daksh Sen offers a theoretical framework for understanding wave behavior in complex elastic materials, with implications in sensor technology and energy harvesting.

The paper “Fixed Point for Chatterjea Contraction and Its Application to Cauchy Problem” by Anshuka Kadyan, Savita Rathee & Anil Kumar explores fixed point theory and its application to the Cauchy problem, offering new mathematical approaches for solving differential equations.

“Techniques of Improving Electric Characteristics of Si Strip Sensors Equipped Using Various Isolation Methods” by Ranjeet Dalal investigates isolation techniques to enhance the performance of silicon strip sensors, which are critical in high-energy physics and medical imaging applications.

The final research paper, “Visual Narratives: Enhancing Image Captioning with CNN- RNN-LSTM Fusion” by Kapil Kumar Choudhary, Naveen Kumar & Dishant Kumar, introduces a fusion model using CNN, RNN, and LSTM to enhance image captioning. This method improves contextual relevance in visual recognition and language processing, advancing AI technologies.

The Book Review section includes a review of “Machine Learning Using Python” by Manaranjan Pradhan and U. Dinesh Kumar. The reviewer, Rashmi Jha, finds the book to be a well-structured and practical guide for beginners in machine learning. It comprehensively covers essential concepts in a lucid manner, serving as a useful reference for both students and professionals.

Each of these studies contributes valuable insights—from sustainable technologies to advancements in artificial intelligence and robotics. The PRAGYANAM journal aspires to be a global platform for high-quality research that expands the boundaries of knowledge while delivering practical solutions to improve lives and shape the future. With a steadfast commitment to academic integrity, the journal upholds rigorous peer- review standards to ensure scholarly excellence in every publication.

I express my heartfelt gratitude to all contributors, reviewers, editors and supporters who made this milestone possible. I would like to extend my immense gratitude to Prof. Sanjay Kaushik, Hon’ble Vice Chancellor and the Chief Patron of Gurugram University, for his constant support and motivation throughout the journal publication process. I am also thankful to our esteemed Patron, Dr. Sanjay Arora (Registrar), for his help in making the journal publication a success. Your insights and direction were instrumental in every step. I sincerely acknowledge the visionary leadership and academic mentorship of Prof. S.S. Tyagi - Editor-in-Chief, whose support has been instrumental throughout this journey. I also thank the Associate Editors—Dr. Charu Gandhi, Dr. Rakesh Garg, Dr. Archana Dixit and Dr. Ranjeet for their editorial skills, valuable contributions and timely support. My deep appreciation also goes to the International Editorial Board Members, Prof. Hari M. Upadhyaya, Prof. Praveen Kumar and Dr. Kusum Yadav for their scholarly insights and global perspective that added immense value to this edition.

Each of these studies contributes valuable insights—from sustainable technologies to advancements in artificial intelligence and robotics. The PRAGYANAM journal aspires to be a global platform for high-quality research that expands the boundaries of knowledge while delivering practical solutions to improve lives and shape the future. With a steadfast commitment to academic integrity, the journal upholds rigorous peer- review standards to ensure scholarly excellence in every publication.

IJST (PRAGYANAM) aims to be a valuable resource for students, educators, researchers and professionals worldwide, fostering a dynamic community dedicated to advancing science, technology and societal progress.

Thank you for your continued support,

Prof. Rashmi Jha
(Editor)