India Post — Acknowledgement not received

Address: 600117

Sir,
I sent a registered post with acknowledgement Due to the Finance Department, Secretariat, fort St George, Chennai, Tamilnadu pin 600117 on 28/04/2017. The receipt no is A RT[protected]IN, and counter no is 1, OP-code:2901. The acknowledgement for the receipt of the post was not received till date. Please confirm wheter the delivery has been m

KK Siddharthan