Lucknow: A 12th grade student of a Lucknow-based Kendriya Vidyalaya was allegedly sexually exploited for two months by her school teacher, who also forced her to terminate a pregnancy, police said on Tuesday.

According to the FIR filed by the girl's family, 47-year- old R C Tiwari, a teacher at the central government-run school in Gomti Nagar area, had been sexually exploiting the girl since December last year on pretext of extra classes.

Tiwari and wife Anita along with two women doctors, Vijay Shree and Ashaqa Siddiqui, are also accused of forcing the minor to terminate her pregnancy at a private hospital on January 10, they said.

Upon her mother's suspicion, the girl revealed the incident, police said. The complaint was lodged on Sunday and the FIR was filed on Monday.

Tiwari was arrested on Monday on the charges of rape, criminal intimidation and under provisions of Protection of Children from Sexual Offences. His wife and the two doctors were also taken into police custody, they said. Meanwhile, the school officials said they have recommended Tiwari's dismissal.