Russian sausage tycoon Pavel Antov has been found dead at an Indian hotel, two days after a friend died during the same trip.
They were visiting the eastern state of Odisha and the millionaire, who was also a local politician, had just celebrated his birthday at the hotel.
Last summer he denied criticising Russia's war in Ukraine after a message appeared on his WhatsApp account.
The millionaire's death is the latest in a series of unexplained deaths involving Russian tycoons since the start of the Russian invasion, many of whom have openly criticised the war.
Reports in Russian media said Mr Antov, 65, had fallen from a window at the hotel in the city of Rayagada on Sunday. Another member of his four-strong Russian group, Vladimir Budanov, died at the hotel on Friday.
Superintendent Vivekananda Sharma of Odisha police said Mr Budanov was found to have suffered a stroke while his friend "was depressed after his death and he too died". The Russian consul in Kolkata, Alexei Idamkin, told the Tass news agency that police did not see a "criminal element in these tragic events".
Tourist guide Jitendra Singh told reporters that Mr Budanov may have "consumed a lot of alcohol as he had liquor bottles".
He played an important role at the legislative assembly in Vladimir, heading a committee on agrarian policy and ecology. The assembly's deputy chairman Vyacheslav Kartukhin said he had died in "tragic circumstances".