Reports of widespread vandalism are coming in. At least two railway stations have been set on fire.
Followers also smashed cars and set media vans alight.
The latest death toll was reported by Indian media and Associated Press, quoting the chief medical officer of Panchkula‘s hospital.
Singh, who claims to have millions of disciples, was found guilty of raping two women at the headquarters of his sect, known as Dera Sacha Sauda, in 2002.
More than 200,000 of his followers had flocked to the Chandigarh area ahead of Friday’s verdict.
Thousands of army, police and paramilitary forces have been deployed. They are firing tear-gas canisters and water cannon into the crowd to try to restore control, says the BBC’s Ravinder Singh Robin in Panchkula.
At least a dozen people have been injured in the town.
Curfews have been imposed in several areas of the city and across the state of Punjab.
Meanwhile, violence has also spread to the capital, Delhi, where two train coaches have been set on fire, according to reports.
Who is Gurmeet Ram Rahim Singh?
- Controversial leader of the Dera Sacha Sauda sect, which claims to have 60 million followers around the world
- Took over the sect – which describes itself as “a non-profit social welfare and spiritual organisation – when he was 23
- Performs at rock concerts, acts in films and even has his own line of food products
- Known as “rockstar baba” and “guru of bling” because of his shiny, colourful clothes
- Has been accused of mocking Sikh and Hindu figures
- Has been investigated for murder and rape, charges he denies
- Has been accused of forcing followers to undergo castration to “get closer to god”Punjab Chief Minister Amarinder Singh criticised his counterpart in the state of Haryana for allowing so many of Singh’s followers to travel to Chandigarh.
Chandigarh is the capital of both states.
The border between the two states has been sealed.
Singh had arrived at court in Panchkula, near Chandigarh, from his ashram in Haryana in a convoy of more than 100 vehicles.
Schools and offices in the area were closed, trains were stopped, roads were blocked and three stadiums were set aside as makeshift prisons in case of trouble, officials said.