LIC HFL — return of documents

Address:

Chennai, Tamil Nadu, 600100

I have taken a loan from lic hfl (Loan a/c no.[protected] and completed the loan by september 10th, 2019 with all dues cleared. When approached the branch they told me i will get an intimation to collect the documents after 2 weeks on sep 10th. But till date i have not received any communication from lic hfl. They are not attending any of the phone calls made to the below numbers. Are these existing numbers.
[protected], 24313905, 24313906

If i write to the helpdesk, they say i must visit the branch. I have visited the branch before and given my correct communication address in order to get the intimation letter.