Safiya had come to offer prayers at the dargarh of Sufi Saint Khawaja Moinuddin Chisti and was sleeping with her son Nasir inside the dargarh premises last night, they said.
Around 1:30 AM, she found Nasir missing and informed her brother and mother, who were accompanying her on the religious trip.
"We examined CCTV camera footage and found that a young woman who was also lying beside them kidnapped the boy when others were fast asleep," police said adding, efforts were on to trace and arrest the woman.
"We also checked CCTV camera footage at the railway station but the accused woman was not seen. All hotels, inns and other places are being searched," a police officer said.
