Tarapur and Candu reactor came with all kinds of restrictions which USA wants to impose now on India. India at that time was depended on USA-Canada for fuel supply as both had resufed to have India Heavy water plant, reprocessing plants, enrichment plant and Fast Breeder Reactors, all came from the USSR not from France or USA or Canada or UK, as all other countries had imposed sanctions against India in 1974 after the first nuclear teast of India. Learn first and then talk or write, unless you are just as stupid like this ugly Digbijay Singh.