SUMAN K SHRIVASTAVA   Ranchi, September 19: The National Institute of Secondary Agriculture (NISA), which celebrates its centenary year tomorrow, has come a long way covering a journey of 100 years and witnessing many transitions. At the same time, the institute, rechristened thrice, has innovated uses of lac, a natural resin, which has been used … Continue reading How NISA found a home in Ranchi, 100 years ago?