The Executive Engineer of Bharat Sanchar Nigam Limited, Hyderabad, Andhra Pradesh invites tenders notice for provision of providing operation & comprehensive maintenance for electromechanical services in data center, TE building, OU campus, Hyderabad. Operation and comprehensive maintenance of ac plants(for the year 2012- 2013). Tender document can be collected/downloaded from www.ap. Bsnl. Co. In.