Kotwali PS Inspector In-Charge. Shri Raktim ChattopadhyayOffice Phone No.03472-252835Office Mobile No.9083269099E-mail Addresspskotwalinadia@gmail.comOffice LocationKrishnagar, Nadia. Superior Officers Dy. SP (DEB) Addl. SP (HQ) SP, Krishnanagar PD Superior OfficersKotwali means Office of the Kotwal, the police chief of the Sadar Police Station. Krishnanagar is named after Raja Krishna Chandra Ray, of Nadia Raj family. ….. Another claim is, the city is named after Lord Krishna worshiped by Raja.