What is the term for the process of permanently removing a company's shares from a stock exchange?

Which Indian regulatory body oversees the process of delisting securities?

What are the two main categories of delisting?

In a voluntary delisting scenario, what is a common method used by companies to buy back shares from their shareholders?

If a company is delisted involuntarily, who typically determines the buyback price for the shares?

What is the minimum waiting period for a voluntarily delisted company to relist its shares on a stock exchange?

What is the minimum waiting period for a compulsorily delisted company to relist its shares on a stock exchange?