dismantling of old central a.c. plant and supply, inst.and comm. of air cooled and ductable a.c.units for gr.flr. and 1st flr.at best bhavan having 22.0 tr capacity alongwith their comp. maint. cont. for the period of 3 yrs at the option of the best dismantling of old central a.c. plant and supply, inst. an comm. of air cooled and ductable a.c. units for gr. flr. and 1st flr.at best bhavan having 22.0 tr capacity alongwith their comp. maint. cont.for the period of 3 yrs at the option of the best , best cloud , dismantling of old central a. c. plant for ground floor at best bhavan, colaba. , cleaning of existing ducting & repairing with necessary duct modification in the a.h.u. room for ground floor at best bhavan, colaba. , supply, installation & commissioning of air cooled air conditioner package units having 22.0 tr capacity each by utilizing existing duct for ground floor at best bhavan, colaba. , comprehensive maintenance charges of air cooled air conditioner package units (2 nos.) having 22.0 tr capacity for ground floor at best bhavan, colaba for the period of 3 years after successful completion of guarantee period of 12 months , dismantling of old central a. c. plant for 1st floor at best bhavan, colaba. , cleaning of existing ducting & repairing with necessary duct modification in the a.h.u. room of 1st floor at best bhavan, colaba. , supply, installation & commissioning of ductable air cooled air conditioner units having 22.0 tr capacity each by utilizing exsting duct at 1st floor at best bhavan, colaba. , comprehensive maintenance charges of air cooled air conditioner package units (3 nos.) having 22.0 tr capacity for 1st floor at best bhavan, colaba for the period of 3 years after successful completion of guarantee period of 12 months