BUSINESSClean Science and Technology Files DRHP to Raise Rs 1,400 Cr via IPONeha VermaApril 7, 2021April 8, 2021 by Neha VermaApril 7, 2021April 8, 20210282 Clean Science and Technology Ltd has filed a draft red herring prospectus (DRHP) with the Securities and Exchange Board of India (Sebi) to raise Rs...