Important Central Government Offices

Income Tax Department
India Post
Passport India
Airport Authority of India
Indian Railway
Principal Accountant General (Audit)
Accountant General (A&E)
Agricultural Finance Corporation Ltd.
All India Radio, Thiruvananthapuram
Director of Census Operations
Doordarshan Kendra, Thiruvananthapuram 
National Bank for Agriculture and Rural Development
National Commission for Scheduled Castes Kerala and Lakshadweep
Press Information Bureau
Employees Provident Fund Organization, Kerala
Sree Chithira Thirunal Institute for Medical Sciences and Technology
Bharat Sanchar Nigam Ltd.
Central Excise and Customs Central Revenue Building
Central Institute of Fisheries, Nautical and Engineering Training
Central Marine Fisheries
Central Public Works Department
Central Water Commission
Cochin Special Economic Zone
Coconut Development Board
Coir Board
National Institute of Oceanography
Geological Survey of India
India Meteorological Department
Marine Product Export Development Authority
Commissioner of Customs
Office of the Chief Commissioner of Income Tax
Post Master General Central Region
Cochin Port Trust