Sep 15, 2016 Ac Electrification Works In Pipradih Plans to assign 25 kV. 50 Hz, Single Phase. AC Electrification Works including OHE 8 TSS as Composite Electrical Works in Pipradih (Exd.) - Hazaribagh - Barkakana (Excl) - Ranchi (Excl.) Section, Group - 201 in Dhanbad Division of East Central Railway under RE Project Danapur. Total 195 RKM/ 230 TKMs.