Electrical Division of Bharat Sanchar Nigam Limited, Hyderabad, Andhra Pradesh invites tenders notice for providing of comprehensive annual maintenance contract for 1,5 TR window / split AC units in various TE buildings under HTD SSA at Hyderabad, from 26-10-2012 to 30-10-2012. Tender document can be collected/downloaded from http://www.ap. Bsnl. Co. In.