Making a suo moto statement in the House, he said during investigation the rented house of Chander was searched by a team of forensic experts and CID where "sufficient" evidence was found.
After the confessional statements of suspects, the skeleton of Yug, a four-year-old boy kidnapped two years ago, was found near a water tank at Bharari which is being sent for forensic examination, including DNA profiling, he said.
Immediate efforts were made by the police but the child could not be traced anywhere in the vicinity and a criminal case was registered on June 16, 2014, he said.
Preliminary investigations carried out by police, and on June 27, 2014, a letter was received demanding ransom of Rs 3,60,00000 and subsequently three more such letters were received, Singh said.
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The case was transferred to state CID (crime branch) on August 14, 2016 and narco analysis test of the servants of Gupta revealed that his neighbour Chander and Kaku could have kidnapped Yug for ransom, he said.
Local JP MAL Suresh Broadway accused the police "for not showing the desired seriousness" in investigation of the case and alleged that it was due to "laxity" on their part that Yugo could not be "traced and saved".