Updated list of intercom numbers with the Officers/Branches of DTTE(HQ), B.T.E. and D.H.E.

No: F.17(11)/DTTE/CT/2018-19/3290-92 Dated: Sep, 28 2021

Updated list of intercom numbers with the Officers/Branches of DTTE(HQ), B.T.E. and D.H.E.