...because he, the hypocrite he is, will send his grandchildren to the west for education and job. Some of his children are already settled permanently in the west, so his grandhcildren will also settle down in the west. He therefore doesn't need to concern himself about the future of India and younger generations of Indians, and the long-term negative effects of the nuclear power plants on the country's environment and the well-being of its people.
So, while the west is already thinking of alternate sources of energy that are environmentally friendly and pose very little risk to mankind, MM Singh will insist on endangering the lives of the future generations of Indians, by opting for a rather obsolete and dangerous source of energy.