India’s national grid operator Power System Operation Corporation Limited (POSOCO) was renamed as Grid Controller of India Limited.

• The Grid Controller of India Limited (Grid-India) is a wholly owned central government enterprise that comes under the aegis of the Ministry of Power.
• Previously, it was a fully owned subsidiary of the Power Grid Corporation of India Limited (Powergrid) – the central public sector undertaking (PSU) owned by the Union Power Ministry.
• It was set up in March 2009 to take care of the power management functions of the PGCIL.