Solution:
Option (c) is the answer.
The Indian Agricultural Research Institute (IARI) and the Khadi & Village Industries Commission (KVIC) were instrumental in developing the method for producing biogas from cow manure.
Solution:
Option (c) is the answer.
The Indian Agricultural Research Institute (IARI) and the Khadi & Village Industries Commission (KVIC) were instrumental in developing the method for producing biogas from cow manure.