Maruti Countrywide — noc not issued for my vehicle purchase

Address: Hyderabad, Telangana, 500050

I have had a maruti omni purchased on installment through maruti countywide from hyderabad branch in the year 2006 and the installment ended in theyear 2007.
Since then we have not received the noc and now the office is permanently closed and amalgamated.

We have not received the noc despite several reminders.

Lan: mmw00021986
Car model: maruti omni