Hello, curious researcher friend Arvind Kumar! The idea of carbon credits in agriculture is not entirely new. Here's a general perspective on the concept:

Farm Carbon Credit Cards, if they were to exist, might work as follows:

1. **Measurement and Verification**: Farmers would need to measure and verify their carbon sequestration or emission reduction activities. This could include practices like reforestation, reduced tillage, and efficient water use.

2. **Issuance of Credits**: Once verified, farmers might receive carbon credits, essentially a form of certification for their environmental efforts. These credits could be stored digitally on a "carbon credit card."

3. **Trading and Offsetting**: Farmers could then trade these credits with other individuals, companies, or entities looking to offset their own carbon emissions. This trading could be done on carbon credit markets.

4. **Parameters for Deciding FCC**: The parameters for deciding the Farm Carbon Credits (FCC) could include the type and scale of environmental practices implemented, the extent of carbon sequestration or emission reduction achieved, and possibly regional factors that affect carbon calculations.

5. **Government Regulation**: Such a program would likely require government oversight and regulation to ensure transparency, accuracy, and fairness. Policies and regulations would need to be developed to encourage participation and enforce standards.

Please keep in mind that this is a hypothetical concept, and its actual implementation would depend on various factors, including government policies, environmental goals, and the willingness of farmers and other stakeholders to participate.

For the most up-to-date information on any developments related to carbon credits, especially in the agricultural sector in India, I recommend checking with relevant government agencies, environmental organizations, or agricultural associations. They would be the best sources for the latest information and potential developments in this area.

If you Arvind Kumar have any more specific questions or if there's anything else I can assist you with, please feel free to ask!