A slew of retrospective tax notices by India's goods and services tax (GST) authorities against real-money gaming companies could spell the death knell for the nascent but fast growing sector, industry sources told Moneycontrol.

"This is now a fight for survival. Even if the entire industry is wound down and liquidated, it will be enough to cover only a fraction of the tax demand,” a top industry executive said.

Nifty remained turbulent all day after today's flat beginning, but it eventually stabilised and ended flat forming doji candle on daily chart. 19600-19550 is the strong support for Nifty. Further correction can be expected only if Nifty closes below 19550 levels.

The market has traded flat with the Sensex gaining 0.02 percent and closed at 66023.69 and Nifty traded flat for intraday and closed at 19674.55 levels whereas Bank Nifty was up by 0.35 percent and settled at 44766.10.

The Directorate General of Civil Aviation (DGCA) that was earlier accused by Akasa Air of inaction when 43 of the airline’s pilots quit abruptly, said that it has ruled out intervening in the dispute between the parties. Akasa Air had earlier said in a legal filing that DGCA’s non-intervention has caused the airline "significant financial and operational hardship". 

Goa-based casino operator Delta Corp Ltd on Friday said it received an intimation from the Directorate General of GST Intelligence, Hyderabad to pay an alleged tax liability of Rs 11,139 crore. Failure to pay the amount will result in a show cause notice being issued to the firm. This tax notice is another setback for Delta Corp, after the GST Council, in July, decided to impose a 28% tax on online gaming, casinos and horse racing.

The deepening diplomatic tensions between Canada and India may become a source of worry for Indian entrepreneurs, who see Canada as a strategic entry point into North American markets.

Canada's Start-up Visa Program has been drawing global attention as it successfully lures high-calibre entrepreneurs to launch businesses in the country. The program offers a straightforward immigration process besides enticing incentives for immigrant entrepreneurs aiming to expand their companies on a global scale.