Of the two cases, a 15-year-old girl was abducted by a daily wage labourer, Ashok, from her residence in Badarpur on Oct 31, police added.
According to her father's complaint, Manoj beguiled her daughter to run away with him. The accused used to work with her father.
Meanwhile, in another incident, a 12-year-old minor was abducted by unknown assailants on Nov 2 in Bharat Colony here, police said.
Cases have been lodged against the accused in the two incidents, police said adding that the investigation is on to nab the culprits.