CTD HelpDesk Number:

Kindly file eReturns through the Bihar Commercial Tax Website In case of any problems/issues in filing the same, please call us at CTD HelpDesk for eServiecs.
 Sr. No.  Name  Phone No(s).
1  CTD HelpDesk for eServices  9472457846,
 18003456102 (Toll Free),
2  TCS HelpDesk for CTD Officials  0612-2219153, 0612-2219154
3  Circle Wise CTD Facilitation centre address  Download
CTD HelpDesk Email:
Commercial Taxes Department has opened helpdesk for benefit of our valued taxpayers. Kindly send email on for any problem/queries of e-services.