Answer : 2. "4,797 करोड़ "
Explanation :

The Central Government has allocated approximately Rs 4,797 crore for the PRITHVI VIGYAN scheme. The scheme consists of five ongoing sub-schemes, including Atmosphere and Climate Research-Modeling Observational Systems and Services (ACROSS), Ocean Services, Modeling Applications, Resources and Technology (O-SMART), etc. The objective of the Prithvi scheme is to enhance long-term observations of the atmosphere and ocean.