Indian police have raided hundreds of such centres in Ahmedabad, Delhi, Gurugram, Mumbai and Kolkata in recent years, and say they have charged thousands with fraud.

The South Asian nation is one of the fastest-growing aviation markets where demand for travel is outstripping the supply of planes, but the bulk of international traffic is captured by global carriers with efficient hubs.

But Amritpal Singh himself was not thought to be among them.

The deal was the first time an Indian state-run company has offered a stake in a renewable energy arm.

India imposed a ban in May last year, within days of promising to supply large quantities of the grain to a host of countries reeling from sky-high prices and severe shortages of the staple.

Gautam Adani-led Adani Group has been looking to ease concerns about its credit profile after a US-based short seller noted high debt and alleged improper use of offshore tax havens and stock manipulation.

India has kept a neutral stance, declining to blame Russia for the invasion while sharply boosting its purchases of Russian oil.

Marriage under 18 is illegal in India, though almost a quarter of married Indian women wed before their 18th birthday, reports show.

A heatwave for the second straight year could dent production of wheat, rapeseed and chickpeas, and complicate governments efforts to bring down food inflation.

Participants at the meeting, however, are likely to focus on the war in Ukraine.

Officials say the war's macroeconomic impact will be discussed but India does not want to deliberate on additional actions against Russia.

India has kept a neutral stance on the war, declining to blame Russia for the invasion of its neighbour, seeking a diplomatic solution and increasing its purchases of Russia oil over the past year.