Low Power and Area Efficient Carry Select Adder. - Venkatachalam Nithish Kumar; Pani Prithvi Raj; Gopalakrishnan Lakshminarayanan; Mathini Sellathurai (J. Low Power Electron., 2014)

An Improved Reconfigurable Finite Impulse Response Filter Using Common Subexpression Elimination Algorithm for Cognitive Radio. - Venkatachalam Nithish Kumar; Koteswara Rao Nalluri; Gopalakrishnan Lakshminarayanan; Mathini Sellathurai (J. Low Power Electron., 2015)

Low complexity and area efficient reconfigurable multimode interleaver address generator for multistandard radios. - Nithish Kumar Venkatachalam; Gopalakrishnan Lakshminarayanan; Mathini Sellathurai (IET Comput. Digit. Tech., 2016)

An error efficient and low complexity approximate multi-bit adder for image processing applications. - M. Priyadharshni; Antra Raj Gupta; Venkatachalam Nithish Kumar; Sundaram Kumaravel 001 (Int. J. Circuit Theory Appl., 2021)

Modified SPECK (M-SPECK) Lightweight Cipher Architecture for Resource-Constrained Applications. - R. Mohanapriya; Venkatachalam Nithish Kumar (IEEE Access, 2025)