Many people here in India have only debit cards ,which is the reason they are not able to buy bitcoins,
Suggest some ways to buy bitcoins with debitcards or e wallets
Where did you try to buy bitcoins in India? Most of the exchanges like localbitcoin, coinsecure etc and app-based bitcoin service providers like zebpay, unocoin have netbanking facility available with them. There is another webbased portal available for bitcoin and other cryptos (you need to find the announcement thread from this subsection).
You could buy bitcoins via cash as well, there is option on localbitcoin to purchase the coin with cash.