The police have also requested their counterparts in neighbouring states to share information as a man-hunt has begun to nab the legislator who supports the ruling Congress.
"We have issued a look out notice and we have also conducted raids in many places frequented by the man," SP City Vivek Syiem told PTI.
Several raids have been conducted within the state and even in Assam last evening, which turned futile, he said.
Dorphang, who previously founded a militant organisation and surrendered in 2007, went into hiding after the police booked him under section 366 (A) of the IPC and registered a case with section 3(a)/4 of the Protection of Children from Sexual Offences (POCSO) Act and under section 5 of the Immoral Trafficking Prevention Act.
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The sex racket came to light after an employee of a guest house owned by senior Congress leader and state Home Minister H D R Lyngdoh's son was arrested for pimping the victim last month.
On January 4, a local court issued a non-bailable arrest warrant against Dorphang, following which the man hunt began.
Meanwhile, women activists here have demanded that the Chief Minister drop Lyngdoh from his cabinet to allow a free and fair trial.