The RBI decision in many ways is a boon to Peer to peer exchanges in India.
The easiest solution is to use peer to peer exchanges like localbitcoins.com, remitano.com
On these sites you can purchase through paytm, NEFT, RTGS , paypal and even in cash by having over the counter contract. But you must see rating of buyer and seller before trading with him/her. Because on peer to peer sited many scam people exist. Best of luck and happy trading. Hope this article helped you.