Arrange the events in the ascending order of their occurrence.
1. Allowing convertibility of rupee at the market rate in the current account.
2. Nationalisation of general insurance business.
3. Establishment of IDBI.
4. Nationalisation of life insurance business.
5. Capital adequacy norms for commercial banks.

A. 4, 3, 2, 1, 5

B. 5, 4, 3, 2, 1

C. 1, 2, 3, 5, 4

D. 1, 5, 2, 4, 3

Answer: Option A