Termed as the largest FDI deal in India, Facebook is set to invest Rs 43,574 crore in Reliance’s subsidiary for digital services-Jio Platforms. As a result on Wednesday, the stock of Reliance Industries gained by 10.30 per cent thereby, leading Sensex to rally by 742.84 points, which is 2.42 per cent higher to be at the level of 31,379.55. Nifty also gained by 205.85 points, which is 2.29 per cent to reach at 9,187.30 level.