Amazon India — I was sent a wrong item, a Blue Ray Movie Birdman whereas I had ordered a DVD version

Address: Amritsar, Punjab

I was asked to return it for full refund. All I got was following message: "Dear Customer, Greetings from Amazon.in We are writing to confirm that your refund for Rs.100.00 has been processed for your Order #[protected]. This refund is for the following item(s): Item: Incorrect item Quantity: 1 ASIN: B00SGWZMEI Reason for refund: Customer return Here’s the breakdown of your refund: Return Shipping Refund: Rs.100.00 Your refund is being credited as follows: Cheque: Rs.100.00" WHAT ABOUT THE COST OF THE dvd THAT i PAID??????