Bank Of India — amount transfer in wrong account no. by mistake (rs.19400.00)

Address:

Panipat, Panipat, Haryana, 132103

Yesterday, dated 11 feb time 6.06 pm rs. 19, 400 transfer by mistake in wrong account and after that receiver said i received and send back to you money within 2 hr but unfortunately she putted my no.in black list and not responding.. Please help me in this matter. Money was transferred by google pay app.

I have all proofs of transfer like, recording and transaction receipt etc.