want to exchange oyo rooms 500 Rs voucher with Amazon/flipkart/jabong/mytra etc

I have 500 Rs OYO hotel voucher Valid till – 31 Dec 2016
Value – Rs 500
Valid on app only.
Want to exchange with amazon/fk/jabong voucher worth of same price. I’m looking for voucher only . Not interested in wallet transfer .
If anyone wants it , pls DM me .

Thanks