For a brief period from January 1987 to June 1988 served in Geological Survey of India as GEophysicist Senior (Instrumentation). From 1993 till retirement he was heading instrumentaions divisions of DLRL. Seven of international repute, in ideas for design columns.
After retirement started an R&D centre for hotovoltaic systems. Successfully completed PV based projects like 0.5 HP DC motor driven water pumping system for shallo bore wells, 1 HP AC submerisible water Pumbping system for deep bore wells, PV powered domestic lighting system. All these projects are kept for demonstration. These projects with expenditure breakup are given in the text of this book.