India currently has 21 reactors with an installed capacity of 5780 MW. Of these, eight (8) reactors with aggregate capacity of 2400 MW are fuelled by indigenous uranium.
The remaining thirteen (13) reactors with a capacity of 3380 MW are under IAEA Safeguards and use imported uranium.
In addition, one unit (Kudankulam Unit-2) has also attained first criticality (start of controlled self-sustaining nuclear fission chain reaction in the Reactor for the first time) on July 10, 2016.
This unit also uses imported fuel. Presently, the Uranium is being imported from the Russian Federation, Canada and the Republic of Kazakhstan.
Union Minister of State (Independent Charge) Development of North-Eastern Region (DoNER), MoS PMO, Personnel, Public Grievances & Pensions, Atomic Energy and Space, Dr Jitendra Singh in a written reply in Lok Sabha informed that all nuclear power plants in India are set up in line with the safety norms laid down by the Atomic Energy Regulatory Board (AERB).
AERB safety norms are generally in line with those of the International Atomic Energy Agency (IAEA).