Explanipedia

Exploiting Jailbreaking Vulnerabilities in Generative AI to Bypass Ethical Safeguards for Facilitating Phishing Attacks Open

Rina Mishra, Gaurav Varshney · 2025

The advent of advanced Generative AI (GenAI) models such as DeepSeek and ChatGPT has significantly reshaped the cybersecurity landscape, introducing both promising opportunities and critical risks. This study investigates how GenAI powered…

Jailbreaking Generative AI: Empowering Novices to Conduct Phishing Attacks Open

Rina Mishra, Gaurav Varshney, Shreya Singh · 2025

The rapid advancements in generative AI models, such as ChatGPT, have introduced both significant benefits and new risks within the cybersecurity landscape. This paper investigates the potential misuse of the latest AI model, ChatGPT-4o Mi…

Investigation of a Rectangular Dielectric Resonator Antenna Working in Higher Order Modes Using Perturbation Theory Open

Neetu Sehrawat, Sachin Kumar, Binod Kumar Kanaujia, Sandeep Kumar Palaniswamy, Gaurav Varshney · 2025

Dielectric resonator antennas (DRAs) operating in higher order modes provide wideband, enhanced gain, and circularly polarized performance. This paper presents a simple perturbation theory for predicting the resonant frequency of higher or…

The analytical study of double diffusive convection in a rectangular enclosure bounded by porous lining with thermal radiation Open

D. R. Sasi Rekha, Veena Jawali, Mansoor H. Alshehri, Jae Dong Chung, Nehad Ali Shah , et al. · 2024

Ultrathin absorber with independently tunable dual-resonances for terahertz sensing Open

Vikrant Verma, Gaurav Varshney · 2024

A technique is implemented for the generation and alteration of two independently tunable resonance peaks in a graphene based ultrathin absorber structure designed for the terahertz spectrum. The proposed structure is a multi-layered stack…

Justice : A Predicting Criminal Acts According To IPC Section Open

Gaurav Varshney, Modi Manankumar R, Rajesh Maheshwari, Tirth Chhabhaiya Chhabhaiya, Bikram Kumar · 2024

The AI-driven IPC Section Prediction for Crime Classification project is a groundbreaking initiative with far- reaching implications for the legal and law enforcement sectors in India. Traditional crime classification and the assignment of…

A Lightweight and Secure PUF-Based Authentication and Key-exchange Protocol for IoT Devices Open

Chandranshu Gupta, Gaurav Varshney · 2024

The Internet of Things (IoT) is rapidly becoming a common technology that will improve people's lives by seamlessly integrating into many facets of modern life and facilitating information sharing across platforms. Device Authentication is…

CPA-induced Hz to THz broadband absorber with switchable perfect absorption between radio-microwave and THz frequency spectrum Open

Mohd Salman Khan, Pushpa Giri, Gaurav Varshney, Ajay Kumar Sharma · 2023

The coherent perfect absorption (CPA) occurring in the graphene sheet suspended in air can be utilized to develop an ultrathin, ultra-broadband absorber working in the frequency range from a few hertz (Hz) to terahertz (THz) with perfect a…

A Lightweight and Secure PUF-Based Authentication and Key-exchange Protocol for IoT Devices Open

Chandranshu Gupta, Gaurav Varshney · 2023

The Internet of Things (IoT) has improved people's lives by seamlessly integrating into many facets of modern life and facilitating information sharing across platforms. Device Authentication and Key exchange are major challenges for the I…

A Theoretical Study of Modelling and Simulation in Mathematical Sociology: Future Directions and Challenges Open

Gaurav Varshney, Anand Singh · 2023

Mathematical Sociology was established as an interdisciplinary field of research concerned both with the use of mathematics within sociological research as well as research into the relationships that exist between maths and society. Mathe…

A Theoretical Study of Modelling and Simulation in Mathematical Sociology: Future Directions and Challenges Open

Gaurav Varshney, Anand Singh · 2023

Mathematical Sociology was established as an interdisciplinary field of research concerned both with the use of mathematics within sociological research as well as research into the relationships that exist between maths and society. Mathe…

Independently tunable concentric graphene ring resonators based ultrathin broadband THz absorber Open

Abhishek Kumar, Gaurav Varshney · 2023

An ultrathin structure of graphene-based absorber is implemented and numerically analyzed. The absorber is designed with the usage of graphene ring resonators and graphene reflector in the lower terahertz (THz) frequency ranges. The geomet…

Implementing the circularly polarized THz antenna with tunable filtering characteristics Open

Mohd Salman Khan, Bhanu Priya, Rathnala Aishika, Gaurav Varshney · 2023

An ultra-wideband (UWB) terahertz (THz) antenna is designed and numerically analyzed. A technique is implemented for obtaining the filtering characteristics in the antenna response. A graphene sheet is placed in antenna structure for achie…

A Lightweight and Secure Puf-Based Authentication and Key-Exchange Protocol for Iot Devices Open

Chandranshu Gupta, Gaurav Varshney · 2023

Compact Four-Port Circularly Polarized MIMO X-Band DRA Open

Ahmed A. Ibrahim, Hijab Zahra, Syed Muzahir Abbas, Mohamed I. Ahmed, Gaurav Varshney , et al. · 2022

A circularly polarized (CP) multi-input multioutput (MIMO) dielectric resonator (DR) antenna (DRA) with compact size and four ports is implemented. CP radiation was achieved using the deformed DR geometry excited with aperture coupled feed…

An Improved Authentication Scheme for BLE Devices with no I/O Capabilities Open

Chandranshu Gupta, Gaurav Varshney · 2022

Bluetooth Low Energy (BLE) devices have become very popular because of their Low energy consumption and hence a prolonged battery life. They are being used in smart wearable devices, smart home automation system, beacons and many more area…

Tunable Four-Port MIMO/Self-Multiplexing THz Graphene Patch Antenna with High Isolation Open

Mohd Farman Ali, Rajarshi Bhattacharya, Gaurav Varshney · 2022

A tunable terahertz four-port multiple-input-multiple-output (MIMO) graphene microstrip patch antenna with self-multiplexing ability is designed and numerically studied. The top layer of the four-port patch antenna, which is a symmetric cr…

An Improved Authentication Scheme for Ble Devices with No I/O Capabilities Open

Chandranshu Gupta, Gaurav Varshney · 2022

Analysis of an Inhomogeneous Circularly Polarized Hollow Dielectric Resonator Antenna Using Perturbation Theory Open

Neetu Sehrawat, Binod Kumar Kanaujia, Anshul Agarwal, Gaurav Varshney · 2021

The perturbation approach is presented here for the first time for the analysis of an inhomogeneous circularly polarized rectangular dielectric resonator (DR) antenna (DRA). The inhomogeneous permittivity is created by perturbing a rectang…

A Micro-Scaled Graphene Based Tree-Shaped Wideband Printed MIMO Antenna For Terahertz Applications Open

K. Vasu Babu, Sudipta Das, Gaurav Varshney, Gorre Naga Jyothi S, Boddapati Taraka Phani Madhav · 2021

A tree-shaped graphene based microstrip MIMO antenna for terahertz applications is proposed. The proposed MIMO antenna is designed on a 600×300 µm² polyimide substrate. The designed MIMO antenna exhibits a wide impedance bandwid…

Bipolar charge trapping for absorption enhancement in a graphene-based ultrathin dual-band terahertz biosensor Open

Gaurav Varshney, Pushpa Giri · 2021

Surface plasmons generated at the graphene dielectric interface can be altered by trapping the electric charge.

Gain and bandwidth enhancement of a singly‐fed circularly polarised dielectric resonator antenna Open

Gaurav Varshney · 2020

A technique is proposed for the enhancement of gain and circularly polarised (CP) bandwidth of a singly‐fed CP dielectric resonator (DR) antenna. The specific geometry of DR is used to generate the orthogonal modes required for obtaining t…

Dual‐band dielectric resonator antenna with multi‐frequency circular polarisation Open

Rakesh Ranjan Kumar, Gaurav Varshney, Rajveer S. Yaduvanshi, Dhirendra Kumar Dwivedi, V. S. Pandey · 2020

A dual‐band rectangular dielectric resonator (DR) antenna is implemented with a multi‐frequency circularly polarised (CP) response. The wide dual‐band response is achieved by inserting the slots in the DR. The insertion of slots in the DR …

CIRCULARLY POLARIZED TWO-PORT MIMO DIELECTRIC RESONATOR ANTENNA Open

Gaurav Varshney, Rakesh Singh, V. S. Pandey, Rajveer S. Yaduvanshi · 2020

Dimensions Selection Criteria of Stair shaped Slot for Obtaining the Wideband Response of CPDRA Open

Gaurav Varshney, Shailza Gotra, Rakesh Singh, V. S. Pandey, Rajveer S. Yaduvanshi · 2019

The analysis of a circularly polarised (CP) dielectric resonator antenna (DRA) with the aperture coupled feeding technique is presented in this paper. Until now, the random techniques have been developed for obtaining the CP response in DR…

Super‐wideband multi‐input–multi‐output dielectric resonator antenna Open

Shailza Gotra, Gaurav Varshney, V. S. Pandey, Rajveer S. Yaduvanshi · 2019

A half‐split inverted‐frustum shaped two‐port multi‐input–multi‐output (MIMO) dielectric resonator antenna is proposed with the ultra‐wideband response. The antenna provides the impedance bandwidth of 132.69% ( ) with each port. The MIMO p…

Compact four‐port MIMO dielectric resonator antenna with pattern diversity Open

Gaurav Varshney, Shailza Gotra, Saumya Chaturvedi, V. S. Pandey, Rajveer S. Yaduvanshi · 2019

A new compact four‐port multi‐input‐multi‐output (MIMO) dielectric resonator (DR) antenna is proposed with pattern diversity. The antenna contains four DR elements, the epsilon‐shaped and cylindrical. These four DR elements are placed toge…

Understanding the Social Factors Affecting the Cryptocurrency Market Open

Gourang Aggarwal, Vimal Patel, Gaurav Varshney, Kimberly R. Oostman · 2019

Blockchain and its application on cryptocurrency transactions have gathered a lot of attention and popularity since the birth of the pioneer Bitcoin in 2009. More than 1500 cryptocurrencies are currently circulated in the market. The techn…

Use of metal co-ordination compounds as antimicrobial agents Open

Sunita Sharma, Gaurav Varshney · 2015

Department of Chemistry, Govt. Raza P.G. College, Rampur-244 901, Uttar Pradesh, India Department of Chemistry, IFTM University, Moradabad-244 102, Uttar Pradesh, India E-mail : [email protected] Manuscript rec…

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