We are very thankful to the following organizations for supporting our research through sponsored projects and consultancy grants – Department of Science and Technology (DST) under the INSPIRE, SERB and IMPRINT schemes, Defense Research and Development Organization (DRDO) under the ER-IPR program, ISRO under the Space Technology Cell program, Department of Electronics and Telecommunications (DEITY) under the centre for excellence in nano-electronics (CEN) and visvesvaraya fellowship program, Bharat Electronics Limited (BEL) and the Indian Institute of Science