China still Indiaâs largest source of import for many critical sectors, says top govt official Sanjay Chadha, Additional Secretary, Commerce, however, also says competition with Beijing is likely to increase as India starts looking at 'supply-chain resilience'. Pia Krishnankutty 29 January, 2021 4:17 pm IST Text Size: A+ New Delhi: China is still India’s largest source of import for critical sectors like pharmaceuticals and electronics, among other goods, Sanjay Chadha, Additional Secretary, Department of Commerce, said Friday. He, however, said competition with Beijing was likely to increase as India starts looking at “supply-chain resilience” and diversifying sources. Chadha was speaking at the 13th All India Conference of China Studies (AICC).