India Post — non delivery of register letter reg

I could not fill up postal complaint form because in that form service post office&received post office columns are not responding.All consumer nos not responding.Land line nos nobody picks up in ashok nagar post office chennai-83 &south zone /regional offices.No accountability in postal services.It is question for democracy because indian post office should have been more sensitive .No where cell nos &email address could be seen .Today i spend hole day to make this complaint.
My requirement.
I have posted my register letter in k.K. Nagar post office on 29-06-18 to mr sj.Gopi charted accountant 13/3 indiracolony i'st main road ashok nagar chennai 83.Cell no[protected].Unfortunately they have shifted their office to12/4 indiracolony i'st main road just near by the postman without inquiry send back my register letter as left .I have written the cell no. Why he /postmaster did not try in their office phone no .Kindly inquire &re send my register letter immediately .Punish the concern if you feel it could be.
Ar.Subramanian.
No-3 magadmaganthi street,
k.K. Nagar,
trichy 620021
cell no [protected]