In Bihar, Union Home Secretary, Rajkumar Singh is to review the anti-Naxal operation. In this regard, Mr. Singh will hold a review meeting with senior police and administrative officials in Patna and Gaya today.In Gaya, Mr. Singh will hold meeting with sector commanders of the CRPF about ongoing combing operation against Naxals.He would be briefed by the Commander fighting Naxalites in the area.The Home Secretary is slated to visit select locations in Naxal- affected pockets of the state.The security forces have not yet gathered any clue about 15 employees of a private construction company who were kidnapped by Maoists in Jamui district on Monday night.AIR Patna Correspondent reports that over one thousand jawans of STF, BSF, CRPF and district police have been pressed into service to rescue the abducted employees.Jawans of Jharkhand Police have also been engaged in search operation.