Correct Answer: (a) NABARD
Note: NABARD is the nodal agency for implementing the 'Rural Infrastructure Development Fund Programmes'. The Rural Infrastructure Development Fund (RIDF) was created in 1995. 96 in NABARD, with an initial corpus of Rs. 2000 crore. NABARD releases the sanctioned amount for 39 eligible activities under RIDF on reimbursement basis except for the initial mobilisation advance @ 30% to North Eastern & Hilly States and 20% for the other States. With the allocation of Rs. 40,001.98 crore for 2022-23 under RIDF XXVIII, the cumulative allocation has reached Rs. 4,58,410.71 crore, including Rs. 18,500 crore under Bharat Nirman.