बिहार राज्य कृषि उद्योग विकास निगम की स्थापना कब हुई ? - When was the Bihar State Agricultural Industries Development Corporation established? - Bihar Rajya Krishi Udyog Vikash Nigam Ki Sthapanaa Kab Hui ? Bihar Gk in hindi, Udyog 1966 Me question answers in hindi pdf 1967 Me questions in hindi, Know About 1965 Me Bihar Gk online test Bihar Gk notes in hindi quiz book , 1968 Me