This is provided by section 296 of the CPC which states that whoever by force compels or forces any person whether above or below the age of puberty to have sexual intercourse with him shall be punished with imprisonment for from 5 to 10 years. The penalties prescribed by sections 294, 295 and 296  shall be doubled if the offender

  1. Has authority over the victim or custody of him by law or by custom
  2. Is a public servant or minister of religion, or
  3. Is helped by one or more others.