Snapdeal.com — I want my refund

Address:	Prakasam, Andhra Pradesh, 523001
Website:	Snapdeal

I returned a bag.. They told i will get my refund through sd cash and they told to provide neft details.. I was unable to provide my neft details.. How to provide neft details? And i want my refund as soon as possible.. How can i get my refund through sd cash or cash on home.. Otherwise can i replace it
With any other product at the same rate