LIC's listing is set to be India's biggest ever IPO, with the government aiming to raise up to 900 billion rupees ($12.2 billion) from selling a stake.
SEBI has also capped the number of shares anchor investors can sell at 50% of their investments after a lock-in of 30 days.
Shares of RBL Bank shed 18.5%, after falling as much as 25% earlier in the session.
Snapdeal's IPO consists of a fresh issue of shares worth 12.5 billion rupees ($165.09 million) and an offer for sale of 30.8 million shares.
The NSE Nifty 50 index fell 1.4% to 16,745 by 0347 GMT and the benchmark S&P BSE Sensex was down 1.4% at 56,235.04.
With the 2019 Future deal's antitrust approval now suspended, it could dent Amazon's legal position and retail ambitions, while making it easier for Reliance to acquire number two player Future.
The potentially more contagious Omicron was first reported to the WHO from South Africa on November 24.
The stellar opening of Nykaa's stock listing on Wednesday has made Nayar one of the richest self-made billionaires in the country.
The company's market valuation went past Rs 1 lakh crore mark and closed at Rs 1,04,438.88 crore on the BSE.
Musk recently said on Twitter he'd sell $6 billion in Tesla stock and donate it to the WFP, provided the organization disclosed more information about how it spent its money.