How was the technology of biogas production developed in India?

Both I and II.

The correct answer is option (3) -Both I and II.

a- By IARI (Indian Agricultural Research Institute).

b- Khadi and Village Industries Commission (KVIC).

c- Both 1 and 2 is the correct answer .

The technology of biogas production in India was developed by both IARI (Indian Agricultural Research Institute) and Khadi and Village Industries Commission (KVIC). The Indian Agricultural Research Institute played a significant role in developing and promoting biogas technology through research and development activities. They conducted studies on various aspects of biogas production, including feedstock selection, digester design, and optimization of biogas production processes.

Khadi and Village Industries Commission (KVIC) also played a crucial role in the development and dissemination of biogas technology in India. They initiated and implemented the National Biogas and Manure Management Program (NBMMP) in collaboration with various state governments and other stakeholders. KVIC promoted the installation of biogas plants in rural areas, provided training and financial assistance to individuals and organizations, and facilitated the adoption of biogas technology on a large scale.

Therefore, the development of biogas production technology in India involved the collaborative efforts of institutions like IARI and KVIC, making the correct answer "Both I and II."