Options%20are-

A.%20Biocon

B.%20Serum%20Institute

C.%20Indian%20Immunologicals

D.%20Bharat%20Biotech

%26nbsp%3B

%3Cstrong%3EThe%20answer%20is%20%27Serum%20Institute%27%3C/strong%3E

Refresh%20the%20page%20if%20you%20are%20not%20able%20to%20see%20the%20answer.