If your receiver will have free optical / coaxial inputs, you can get a bluetooth to digital adapter like this. This method also allows you to use the receiver's dac. It will cost around 2K shipped to India, you will also need an optical / coaxial cable as well
You'd rather plug in a ethernet cable to your receiver and get it on the network. This will allow music to be sent to your receiver from any Wi Fi enabled portable device and will sound better than bluetooth for sure.