According to the prosecution, the five-year-old girl of Jamirhat Takeyapara in Parbatipur upazila was raped by the convict on 18 October 2016.
Local people rescued the girl from a turmeric field the following day in a critical condition as she was left there suspecting her to be dead.
She was first taken to a local hospital and then shifted to Rangpur Medical College and Hospital. Later, the physicians shifted her to Dhaka for better treatment.
Police arrested Saiful and his associate Afzal in this connection, two days after the crime.
In 2017, sub-inspector Abu Syed also the investigative officer of the case submitted chargesheet against the duo.