Which of the followings are correct in case of money market in India?

A. Commercial bill is a short-term instrument with high risk

B. Treasury bill is an instrument of short-term borrowing by the government with absence of default risk

C. RBI uses refinance to relieve liquidity shortages in the system

D. The RBI has switched over from daily fixed rate repos auction system to discriminatory price auction repos.

E. SLR enables to impose secondary and supplementary reserve requirements on the banking system.

Choose the correct answer from the options given below :