KDMC — Regarding tree plant grown on the external wall of building at my drain pipe causing choked bathroom

Address:

Thane, Maharashtra, 421306

Respected sir,
I am residence of swarnrekha building at lokgram complex kalyan east .
I live on 6th floor there is huge tree grown on the external wall of drain pipe of my building .This has caused my bathroom to flood .I have complained to the society repeatedly but no cognisance have been taken by the building society. I have complained to local KDMC about this matter to remove the tree .But she too have failed take any cognisance . I am facing this problem from last 15 days and Iam helpless about it .
kindly help me in this matter.