Delhi Development Authority [DDA] — regarding wastage of huge amount of water in sec-29 rohini, lig flats

In the evening and morning, a huge amount of water is waste due to overflow of tanks provided by DDA on the roof of flats in LIG Flats of Creative height apartment Sec-29, Rohini, Delhi-110042, reason is this people has not fixed water stoppage ball or alarm .this water can be saved if DDA/Delhi Jal board put a fine on these people who have not fixed Ball in their tank.Because some people of this society are very care less regarding the natural resources (water) they invest lacs of ruppes in inner decoration of their flats but do not fix a ball of Rs 80/- in water tank.So DDA or Delhi Jal Board take it seriously to save water for humanity. this wastage of water is so huge that can be used for many villages of india.