The boy was arrested by the police, a day after the decomposed body of Chandni Jain was found on the hillocks near Ameenpur at Madinaguda. Locals who spotted the body alerted police.
The 17-year-old girl, a resident of Miyapur, was missing since Saturday and police had registered a case of kidnapping.
The case was solved after scanning CCTV footage, which showed the girl along with a youth getting down from an auto-rickshaw and walking towards the bushes.
He was later identified as Sai Kiran, who was her classmate from Class 6 to 10.
Interestingly, Sai Kiran had also visited Jain’s house on Tuesday to console her family members.
The accused told the police they were in love for last two years but he was trying to avoid her for the last few months.
The girl apparently was pressurising him to continue the relationship and marry her, so he decided to get rid of her.
On Saturday, he took her to the Ameenpur hillocks and during a heated argument assaulted her. He later pushed her down the hillock, leading to her death.
The victim’s father Kishore Jain, a businessman, suspects that the boy was not alone in committing the crime. He said some others might have helped him.
The girl had left the house on Saturday evening to meet some friends. When she did not return home till late in the night, the family lodged a complaint with police.