work of maintenance of departmental laser printer and scanner printer, toner refilling and anti virus software including amc/maintenance work installed in the offices of vidyut urban distribution division-ii, ghaziabad, chief engineer (v), ghaziabad region-iii, ghaziabad, power anti theft police station, vasundhara, ghaziabad, vidyut urban distribution division-ii, ghaziabad and sub-division-i & ii under v division, vidyut urban distribution division-vi, ghaziabad and sub-division-i/ii/iii & iv under v division, ghaziabad through external agency under o&m head for a period of 01 year (12 months) from the date of contract by e-tender.