The D-SIBs banks are classified into 5 buckets. Bucket 1, Bucket 2, Bucket 3, Bucket 4 and Bucket 5. With Bucket 5 being the most important followed by rest in decreasing order.
The initial construct and production process of the vaccine antigen was developed at TCH's Centre for Vaccine Development. V. G. Somani :- Drugs Controller General of India.