Section 16(2)(c) in New Town Kolkata Planning Area (Building) Rules, 2014
(c)if total sanctioned building is intended to be shifted as a whole within the periphery of the boundary keeping mandatory open space within the rule, this can be permitted with prior notice to the authority with revised plan. After serving such notice the owners may be allowed to proceed with the work unless there is any objection from the end of the authority within 15 days.