National Insurance Company Limited (NICL) is a type of state owned general insurance company.
It was formed in 1906.
It’s headquarter is located in Kolkata, India.
It provides insurance services.
As you have asked about the contact information about the National Insurance Company Limited, head office address and number, I am giving you some information about that

Contact:

National Insurance Company
Address: 3, Middleton Street,
Prafulla Chandra Sen Sarani ,
Kolkata, West Bengal, 700071
Telephone: 22831705 /
Fax: 22831740.

It provides following products and services

Personal Insurance policies include medical insurance, accident, property and auto insurance coverage
Rural Insurance policies provide protection against natural and climatic disasters for agriculture and rural businesses
Industrial Insurance policies provide coverage for project, construction, contracts, fire, equipment loss, theft, etc.
Commercial Insurance policies provide protection against loss and damage of property during transportation, transactions, etc.