GSP Crop Science shares kicked off their maiden trading session on the BSE at ₹332.30 per share, reflecting a premium of ₹12.30 or 3.84 per cent over its IPO issue price of ₹320 per share.GSP Crop Science shares kicked off their maiden trading session on the BSE at ₹332.30 per share, reflecting a premium of ₹12.30 or 3.84 per cent over its IPO issue price of ₹320 per share. Latest News [ SOBAN NEWS: International and National ]