Facebook picked 9.99 per cent stake in Jio Platforms at an enterprise value of Rs 4.62 lakh crore.
The partnership will also see the two parties cooperate on technology initiatives, including development of affordable smartphones.
Foreign Direct Investment into India rose by 13 per cent in 2020, boosted by interest in the digital sector, and while fund flows "declined most strongly" in major economies such as the UK, the US and Russia due to the Covid-19 pandemic, India and China "bucked the trend", the UN has said.