1. NATIONAL INSTITUTE OF OPEN SCHOOLING (NIOS)

Website : http://www.nios.ac.in/

Toll Free Number : 1800-180-9393

2. THE WEST BENGAL COUNCIL OF RABINDRA OPEN SCHOOLING(WBCROS)

Website : http://wbcros.in/

Helpline Number : 033-2321-3261