On your reference I will provide you proper address of National Insurance Company Limited situated near by Somajiguda, Hyderabad.

Here is the office address

National Insurance Company Limited
3rd Floor, Regency House, Somajiguda, Hyderabad, Telangana 500082

Here is the procedure to search for offices

Visit official site of National Insurance Company Limited
There at top right hand side page
You can see section of offices
Then click on it a new page will open
Which looks like this there fill the required information

National Insurance Company Limited, offices



Address:-
National Insurance Company Limited
3, Middleton Street, Prafulla Chandra Sen Sarani , Kolkata, West Bengal, 700071.

Phone:-
22831705