A special court in India's Bengaluru city has convicted nine Bangladeshis and punished them with sentences ranging from five years to life imprisonment in connection with the gang-rape of a Bangladeshi woman in May last year.

In a judgement pronounced yesterday, the court sentenced Chand Miya, Mohammed Rifakdul Islam, Mohammed Al Amin Hossain, Rakibul Islam, Mohammed Babu Sheik, Mohammed Dalim and Azim Hossain to rigorous imprisonment for life, reports our New Delhi correspondent.

Among the other convicts, Taniya Khan was sentenced to 20 years in prison while Mohammed Jamal to five years.

Two other Bangladeshi nationals were convicted of offences under the Foreigners Act and sentenced to nine months of simple imprisonment.

Eleven, out of the 12 arrested and charge-sheeted, as well as the victim, were Bangladeshi nationals who had entered India and lived in Bengaluru illegally. And another arrestee is an Indian who was acquitted as he turned into an approver in the case.

The charge sheet in the case was filed within 28 days of the crime and the trial was completed in three months.

The incident came to light after a video of the rape first went viral in Bangladesh and was then found to have been committed in Bengaluru.

Meanwhile, Indian authorities yesterday handed over a to Bangladesh a woman who was raped and tortured in Bangalore last year.

A team of Tejgaon Division of Dhaka Metropolitan Police received her on the border at Benapole, Jashore, Biplob Kumar Sarker, deputy commissioner of DMP, told The Daily Star.

A DMP official, requesting anonymity, said details of how she was trafficked and tortured will be presented before a court later and the woman will testify in the cases filed in Bangladesh.

After the video went viral in social media, Bengaluru police found out that the incident had taken place in Kanaka Nagar in Ramamurthy Nagar police limits of Bengaluru city and arrested all the accused and booked them under IPC, Immoral Trafficking (Prevention) Act, IT Act and Foreigners Act.

The policemen who had arrested 12 persons found that 11 of them were illegal immigrants from Bangladesh and one turned out to be a local.

Deputy Commissioner of Police (east) Bheemashankar Guled said, "To deliver speedy justice, the investigation was taken up on war footing, using all scientific aids at disposal such as DNA analysis, electronic evidence, mobile forensics, fingerprint evidence and voice sampling.

"The Government of Karnataka appointed Special Public Prosecutor VeerannaTigadi to conduct the prosecution and a special trial monitoring team was constituted by the Commissioner of Police, Bengaluru City, to assist and monitor the trial process, ensuring no delays are caused."

A total of 44 witnesses were examined by the judge, added Guled.