Wellness Forever, a retail pharmacy chain backed by Serum Institute of India's Adar Poonawalla, has filed the draft papers with SEBI for its IPO. The offer comprises a fresh issue of ₹400 crore and an offer for sale of up to 1.6 crore shares by existing shareholders. SII, which owns a 13.2% stake, will sell up to 35.5 lakh shares.