Doctor of Philosophy (PhD.)
(2017) Indian Institute of Technology Ropar, Rupnagar, Punjab, India
Department of Mathematics
Master of Science (M.Sc.)
(2010) Dr. B. R. Ambedkar National Institute of Technology Jalandhar, Punjab, India, (1st division)
Bachelor of Science (B.Sc.)
(2008) Panjab University, Chandigarh, India (1st division)
Optimized parameter estimation of solar PV models using an improved red-tailed hawk algorithm Pankaj Sharma, Asmita Ajay Rathod, Shubhi Shukla, Arun Choudhary, Saravanakumar Raju, Balaji Subramanian Scientific Reports, 2026 This work introduces a metaheuristic (MH) optimization method, which is inspired by the red-tailed hawks' predatory behavior is Improved Red-tailed Hawk (IRTHA) Algorithm. The algorithm uses a dynamic adjustment method which uses the combined effect of nonlinear decay and chaotic mapping to enhance the convergence efficacy and accuracy of outcomes. This enhancement affects the search radius of the algorithm and creates diversity in the dive speed of hawks, hence adaptively balancing exploration and exploitation, enhancing diversity and convergence. IRTHA's efficacy is examined for single, double, and triple diode models of various photovoltaic (PV) cells and modules, such as RTC France, PVM 752, STP 120/36, STM 40/36, and Photowatt-PWP201. A comparative analysis of IRTHA with other advanced MH optimization techniques indicates that IRTHA exhibits considerably lower RMSE values: 7.72986E-04 for SDM-RTC France, 7.41918E-04 for DDM-RTC France, 7.34782E-04 for TDM-RTC France, 1.59243E-04 for PVM 752, 1.44508E-02 for STP 120/36, 1.72192E-03 for STM 40/36, and 2.05285E-03 for the Photowatt-PWP201 module, respectively. The reliability of IRTHA is futher validated by statistical analyses, including non-parametric tests (Friedman and Wilcoxon rank-sum tests), convergence curve assessments, and graphical representations with boxplots, which collectively confirm its potential to deliver robust and computationally efficient optimization. From the outcomes, it is observed that the IRTHA demonstrates superior performance compared to other existing MH algorithms. The results obtained by IRTHA show exceptional performance in PV system modeling and parameter estimation in solar PV applications.
Polymer dispersed liquid crystals devices: role of photopolymerisation to control defect orientation, optical and electro-optical properties A. Chaudhary, R. K. Shukla, P. Rani, A. Choudhary, P. Malik, R. Mehra, K. K. Raina Liquid Crystals, 2023 We are reporting the effect of polymer dispersion on liquid crystals (LCs) by examining their structural, morphological and electro-optic properties. Ultraviolet irradiation effect has been investigated through morphological and electro-optic characteristics and perceived structural behaviour transformation in the respective devices, which persuade topological restraints in the form of defects (photopolymerisation and chemical interaction provoke the development of frozen network which leads to packing of LC molecules in different orientations and defect geometries). We have observed the effect of temperature and voltage on morphological studies via optical micrographs under polarising optical microscopy. A significant effect of polymer concentrations and temperature has been observed on the physicochemical properties of polymer-dispersed liquid crystal (PDLC) systems. The development of defects can be understood via possible theoretical chemical interactions, polymerisation and anchoring energy. A relative optical transmittance and lower threshold voltage has been presented for all the respective PDLC devices in comparison to the pure LC. A higher anchoring (10−5 J/m2) and contrast (18.34 dB) have been noticed in the PDLC devices. Refractive indices and corresponding birefringence have also been measured and compared for pure and doped LC systems. Furthermore, these investigations offer an understanding of essential mechanisms to develop potential electronic materials and optical device applications. GRAPHICAL ABSTRACT
Coupled eigenfunction expansion–boundary element method for wave scattering by thick vertical barrier over an arbitrary seabed A. Choudhary, S. Koley, S. C. Martha Geophysical and Astrophysical Fluid Dynamics, 2021 Wave structure interaction problem having thick vertical barrier over an arbitrary seabed is analysed for its solution. The associated boundary value problem is handled using a coupled eigenfunction expansion–boundary element method. This method converts the boundary value problem into integral equation over the physical boundaries. The physical boundaries are discretised into a finite number of elements and hence the integral equation give rise to a system of linear algebraic equations. Finally, the system of equations is solved to obtain the physical quantities, namely, the reflection and transmission coefficients. For ensuring the correctness of these physical quantities, the energy balance relation is derived and verified. The present results are also verified by comparing the results available in the literature. The present study reveals that the width and height of the structure along with the undulated seabed play an important role to construct an effective wave barrier to protect various marine facilities from wave attack and also helpful to create the tranquility zone on the lee side of the structure.
Optimized parameter estimation of solar PV models using an improved red-tailed hawk algorithm P Sharma, A Ajay Rathod, S Shukla, A Choudhary, S Raju, ... Scientific Reports , 2026 2026
Ultrasonic Interventions in the Modification of Starch: A Review G Chakraborty, S Upadhyay, R Singh, K Kumar, S Desai, J Banoth, ... Starch‐Stärke 78 (3), e70187 , 2026 2026
Wave dynamics and diffraction effects induced by a dock over twin shelves AM Martin, A Choudhary Marine Systems & Ocean Technology 21 (1), 14 , 2026 2026
Best Practices Worldwide in Managing Variable Renewable Energy Forecasting: A review K Sareen, BK Panigrahi, K Balaraman, T Shikhola, AK Choudhary, ... IEEE Electrification Magazine 13 (4), 73-82 , 2026 2026
Numerical Investigation of water wave scattering on docks over multiple rectangular seabed configurations AM Martin, A Choudhary Engineering Analysis with Boundary Elements 181, 106515 , 2025 2025
Variable Inertia Response Analysis in Wind-Solar-DG Based Hybrid Microgrid System M Jain, S Garg, AK Choudhary 2025 IEEE 5th International Conference on Sustainable Energy and Future … , 2025 2025
An efficient framework for proton exchange membrane fuel cell parameter estimation using numerous MH algorithms AA Rathod, P Sharma, A Choudhary, S Raju, B Subramanian Renewable and Sustainable Energy Reviews 216, 115603 , 2025 2025 Citations: 16
Modelling and thermal analysis of an integrated solar greenhouse dryer for ginger (Zingiber officinale) and product quality AK Choudhary, MK Hazarika Journal of Stored Products Research 106, 102313 , 2024 2024 Citations: 13
Development of an Integrated Solar Greenhouse Dryer and Performance Evaluation for Ginger Drying in Northeastern Region of India AK Choudhary Tezpur University , 2024 2024
Polymer dispersed liquid crystals devices: role of photopolymerisation to control defect orientation, optical and electro-optical properties A Chaudhary, RK Shukla, P Rani, A Choudhary, P Malik, R Mehra, ... Liquid Crystals 50 (6), 977-988 , 2023 2023 Citations: 6
Wave scattering by a permeable barrier over undulating bed topography SC Martha, A Choudhary 2022
Effect of Phase Change Material on Thermal Management of Photovoltaic System R Lamba, FJ Montero, R Kumar, AK Choudhary, M Vashishtha, ... International Conference on Advances in Energy Research, 819-827 , 2022 2022 Citations: 1
On the scattering and radiation of water waves by a finite dock floating over a rectangular trench SC Martha, S Koley, A Choudhary, K Trivedi 2022
Interaction of surface water waves with a finite dock over two-stepped bottom profile A Choudhary, N Kumar, SC Martha Marine Systems & Ocean Technology 17 (1), 39-52 , 2022 2022 Citations: 2
On the scattering and radiation of water waves by a finite dock floating over a rectangular trench A Choudhary, K Trivedi, S Koley, SC Martha Wave Motion 110, 102869 , 2022 2022 Citations: 17
Coupled eigenfunction expansion–boundary element method for wave scattering by thick vertical barrier over an arbitrary seabed S Koley, A Choudhary, SC Martha 2021
Coupled eigenfunction expansion–boundary element method for wave scattering by thick vertical barrier over an arbitrary seabed A Choudhary, S Koley, SC Martha Geophysical & Astrophysical Fluid Dynamics 115 (1), 44-60 , 2021 2021 Citations: 11
Modified Method for the Solution of Dual Trigonometric Series Relations SC Martha, A Chakrabart, A Choudhary 2020
Modified Method for the Solution of Dual Trigonometric Series Relations A Choudhary, SC Martha, A Chakrabarti Proceedings of the National Academy of Sciences, India Section A: Physical … , 2020 2020
Reflection of surface waves by arbitrary bottom in the presence of structure A Choudhary ICNPAA WORLD CONGRESS 2020 , 2020 2020
MOST CITED SCHOLAR PUBLICATIONS
On the scattering and radiation of water waves by a finite dock floating over a rectangular trench A Choudhary, K Trivedi, S Koley, SC Martha Wave Motion 110, 102869 , 2022 2022 Citations: 17
An efficient framework for proton exchange membrane fuel cell parameter estimation using numerous MH algorithms AA Rathod, P Sharma, A Choudhary, S Raju, B Subramanian Renewable and Sustainable Energy Reviews 216, 115603 , 2025 2025 Citations: 16
Chemical control of major insect-pests of soybean in Madhya Pradesh. KK Singh, OP Singh, AK Choudhary 1998 Citations: 14
Modelling and thermal analysis of an integrated solar greenhouse dryer for ginger (Zingiber officinale) and product quality AK Choudhary, MK Hazarika Journal of Stored Products Research 106, 102313 , 2024 2024 Citations: 13
Some more results on a generalized parametric R-norm information measure of type α S Kumar, A Choudhary, R Kumar Journal of Applied Science and Engineering 17 (4), 447-453 , 2014 2014 Citations: 12
Some more noiseless coding theorem on generalized R-Norm entropy A Choudhary, S Kumar Journal of Mathematics Research 3 (1), 125-130 , 2011 2011 Citations: 12
Coupled eigenfunction expansion–boundary element method for wave scattering by thick vertical barrier over an arbitrary seabed A Choudhary, S Koley, SC Martha Geophysical & Astrophysical Fluid Dynamics 115 (1), 44-60 , 2021 2021 Citations: 11
Approximate solutions of some problems of scattering of surface water waves by vertical barriers A Choudhary, SC Martha Sādhanā 42 (5), 759-768 , 2017 2017 Citations: 11
Diffraction of surface water waves by an undulating bed topography in the presence of vertical barrier A Choudhary, SC Martha Ocean Engineering 122, 32-43 , 2016 2016 Citations: 9
Understanding investment behaviour: A study on the role of personality in Financial Investment decisions in India A Choudhary, B Subramanian Research Review International Journal of Multidisciplinary 4 (2), 487-492 , 2019 2019 Citations: 7
Polymer dispersed liquid crystals devices: role of photopolymerisation to control defect orientation, optical and electro-optical properties A Chaudhary, RK Shukla, P Rani, A Choudhary, P Malik, R Mehra, ... Liquid Crystals 50 (6), 977-988 , 2023 2023 Citations: 6
Biology of Cantheconidia furcellata Wolff, a pentatomid predator of Rivula sp. AK Choudhary, N Khandwe, OP Singh 1989 Citations: 6
Effect of plant growth hormones on growth, tuber character and forskolin content of patherchur (Coleus forskohlii (Willd) Briq) AK Choudhary, SD Upadhayaya, A Sharma, DK Raidas J Pharmacogn Phytochem 8, 686-688 , 2019 2019 Citations: 4
Relative importance of consumers quality and seedling vigour traits in chickpea. OP Singh, HS Yadava, AK Choudhary 2000 Citations: 3
Interaction of surface water waves with a finite dock over two-stepped bottom profile A Choudhary, N Kumar, SC Martha Marine Systems & Ocean Technology 17 (1), 39-52 , 2022 2022 Citations: 2
Propagation of water waves in the presence of thin vertical barrier on the bottom undulation A Choudhary, SC Martha Mathematics and Computing 2013: International Conference in Haldia, India, 1-11 , 2014 2014 Citations: 2
Effect of Phase Change Material on Thermal Management of Photovoltaic System R Lamba, FJ Montero, R Kumar, AK Choudhary, M Vashishtha, ... International Conference on Advances in Energy Research, 819-827 , 2022 2022 Citations: 1
Optimized parameter estimation of solar PV models using an improved red-tailed hawk algorithm P Sharma, A Ajay Rathod, S Shukla, A Choudhary, S Raju, ... Scientific Reports , 2026 2026
Ultrasonic Interventions in the Modification of Starch: A Review G Chakraborty, S Upadhyay, R Singh, K Kumar, S Desai, J Banoth, ... Starch‐Stärke 78 (3), e70187 , 2026 2026
Wave dynamics and diffraction effects induced by a dock over twin shelves AM Martin, A Choudhary Marine Systems & Ocean Technology 21 (1), 14 , 2026 2026
