Which of the following is a quantitative tool of credit control by the reserve bank of India?

Open market operations.

The correct answer is Option (1) → Open market operations.

The Reserve Bank of India (RBI) uses credit control measures to regulate the flow of credit in the economy.
These tools are divided into two types:

1. Quantitative (General) tools – affect the overall volume of credit in the economy.
   Examples:

   • Bank Rate Policy

   • Cash Reserve Ratio (CRR)

   • Statutory Liquidity Ratio (SLR)

   • Open Market Operations (OMO) 

2. Qualitative (Selective) tools – influence the direction or use of credit.
   Examples:

   • Margin Requirements

   • Moral Suasion

   • Direct Action