unique feature of the power sector reforms in Delhi. The bidders were required to bid on the basis of efficiency improvement like reduction of AT & C losses that they achieve year wise over a period of five years. External links Power Companies in New Delhi, India Delhi Transco Limited http://www.delhitransco.gov.in IPGCL http://www.ipgcl-ppcl.gov.in NDPL/TPDDL http://www.tatapower-ddl.com BSES http://www.bsesdelhi.com State electricity agencies of India State agencies of Delhi Energy in Delhi 1997 establishments in Delhi Government agencies established in 1997 2002 disestablishments in India