Explanation:

 Moral suasion is application of pressure but not force to get members to adhere to a policy or advice that RBI gives. Other qualitative credit control tool includes margin requirements, consumer credit regulations, RBI guidelines, rationing of credit.
The wholesale price index is an index that measures and tracks the changes in the price of goods in the stages before the retail level. WPI shows the average price change of goods included in the index and is often expressed as a ratio or percentage, and the change is one indicator of a country's level of inflation.
The Index of Industrial Production (IIP) is an index for India which details out the growth of various sectors in an economy such as mining, electricity and manufacturing. The all India IIP is a composite indicator that measures the short-term changes in the volume of production of a basket of industrial products during a given period with respect to that in a chosen base period. It is compiled and published monthly by the Central Statistical Organisation (CSO) six weeks after the reference month ends.
A consumer price index (CPI) measures changes in the price level of a market basket of consumer goods and services purchased by households. The CPI is a statistical estimate constructed using the prices of a sample of representative items whose prices are collected periodically.