Gda — Security issue

Address:

Plot no 49,shakti khand 2 indrapuram

In plot no 48, shakti khand 2, indrapuram builder has formed a new building.He didn't left any open space for ventilation and now he made a balcony in front of our open space.There is a security concern in our building because anyone can reach our flat with this balcony and he damaged our flats and building. Could you please look into this matter on urgent basis