This is to certify that Mr. Chandi Das Kundu, S/O- Kanai Lal Kundu, Vill- Araji Dumuria, P.O- Sajiara, P.S- Dumuria, Dist. Khulna is an assistant teacher of the Library Science Department who has been working at Dumuria College, Dumuria, Khulna, since 03-01-2010. So far as I know, he is not involved in any subversive activity either of this college or of the state.