Concord Biotech share price extends gain after listing at 21% premium. Buy, sell or hold?

Concord Biotech share price opened at ₹900 apiece on BSE and NSE, logging ₹159 per share listing gain against the offer price of ₹705 to ₹741 per equity share

Concord Biotech share price extends gain after listing at 21% premium. Buy, sell or hold?
Concord Biotech share price opened at ₹900 apiece on BSE and NSE, logging ₹159 per share listing gain against the offer price of ₹705 to ₹741 per equity share