Delhi Development Authority [DDA] — Complaining about Gram Sabha land

Address:

110042

Dear sir
sir hamere yaha per sameypur gaon me shivpuri land ha jaha per ek 433 squar land khali ha jiska khasara no 24/16/1 ha jo ki gram sabha (goverment land )me west h espe ek admi name shivnariyan tresspaser banker aya or temporay 6 room banvaye or plot ka half part apne bete k nam sale kr diya or dhoke se electricty conection le liya elegil tariqe se jisme koi b concern authority interfare nahi kr hi h sdm / bdo bol rhe ha DDA authority dekhegi
DDA L&M dipali chock Rohini sector 3 me b hmane complaint de hui h jiska dairy no h 1493 date 14/6/2016 ko di thi or DDA VC sir k nam pe b di thi jiska recipt no h REC /M /16 / 1203 ha date 29 /1/2016

sir i requst u plz help me and save Gram Sabha Land (Government Land)