New Delhi, Oct 15 (ANI): China's decision to firm up the sale of two more nuclear reactors to Pakistan has raised serious concerns for India. India has earlier conveyed its objections at both the political and official levels in China, as well as the Nuclear Suppliers Group in the last few months for the sale. Defence analyst Uday Bhaskar stated that China has been one of the most robust supporters of Pakistan nuclear programs. He hoped that Prime Minister Manmohan Singh takes up the matter while his visit to China.