Municipal Corporation Gurugram [MCG] — Seepage from the above flat

Address:

A98ff

I stay in A98FF southcity2 sohna road sector 49 gurgaon.about a year back I started facing g seepage issues from the flat above us in my bathroom and bedroom.now the second floor owner has put lots of pots and artificial grass in his terrace and also blocked the drainage for the water to go due to which lot of seepage comes in the ceiling of my living roo..we live in constant fear of the ceiling or walls coming down.all our talks with him have proved of no effect as he refuses to cooperate.please help.thanks