Agriculture land rates in Bihar

Curious about the rates of agriculture land in Bihar. I know, It's highly vary with location. So lets assume 6 locations. Land size be 10 bigha( I Bigha is 2525 sq meter) - 50 kms away from patna on highway. - 10 kms from district headquarters on Highway - 50 kms away from patna on small road - 10 kms away from district headquarters on small road - 50 kms away from patna but land locked - 10 kms away from district headquarters but landlocked