An Indian court on Wednesday found a high-profile spiritual guru Asaram Bapu guilty of raping a teenage female devotee in 2013 and sentenced him to life in prison.

"Asaram (Bapu) has been sentenced for life until death. And two others, including a woman, have been sentenced to 20 years in prison," Rajendra Singh, a lawyer for the defense team told AFP outside the court in western Rajasthan state.

The verdict against 77-year-old Bapu was read out inside a prison in the city of Jodhpur in Rajasthan state because of fears that his followers may resort to violence.

The case is the latest in a series of high-profile rape cases in India that have fueled public protests and raised questions about how police handle the cases and treat the victims.

In August last year, another popular and flamboyant Indian spiritual guru, Dr. Saint Gurmeet Singh Ram Rahim Insan, was sentenced to 20 years in prison on charges of raping two female followers.

The girl in her complaint to the police in 2013 accused Bapu of raping her when she visited his retreat in Jodhpur with her mother. The girl's family said they had been followers of Bapu for more than a decade.

Bapu has been in prison since his arrest in the case in 2013.

On Wednesday, security was tight around the prison complex and in states where the self-styled guru has a considerable following.

Religious sects also wield considerable political clout in India with several politicians as followers. Asaram is also on trial along with his son Narayan Sai in a separate rape case where two sisters have accused the two men of sexual assault.