• Want to know more about laws on trespassing

This is to inform you that We Sagar Bhatia and Parul Sagar Bhatia has purchased a shop which is occupied by some mechanic in local area of Miraroad 
we purchased this shop through a broker( Mr Santosh Ganji)& one of his colleague (Mr Afsar Shaikh) & they didn't told me anything about the shop that it has an issue so the  OWNER on paper is  MR AKBAR ALI Sheikh person with whom  my registration & agreement has been done on 5th February &  as Brokers Promised that within span of 15 days s they’ll vacant & give me possession, & asked me to clear the Rest of the Amount.

but its been more than 4 months they were delaying it by some or the other reasons & only giving assurance that they’ll give the possession.
so 
on 1st May 2014 i put up  a notice on shop to vacant the premises & i am the new owner 
but same day in evening some person named  MR NOOR Mohammed sheikh gave me a call & shouted at top of his voice that this shop belongs to him & Threatened me & said he has the possession of the shop & he'll Not vacant it.
so i submitted an NC in police station about this matter but police refused to register any case and said to me that its a civil matter please go to court & sort it out with your brokers 
So i met broker (Santosh) & he said that his colleague MR AFSAR shaikh has been in talks with MR Noor Mohammed & he'll sort out the issue as
 Noor is having the possession & asking some more money & hence not vacating the premises.
& asked me to wait for 1 month to solve this dispute .
so in meanwhile i had doubt about this case so i asked property tax papers from this people there i came to know that property tax bill has the name of MR NOOR mohammed Shaikh so i crossed check in BMC office & gave them a letter asking about how it came & please change it in the name of mine as we are the new owners also filed an RTI so they didn't found the file of that person & i asked deputy commissioner to take an hearing so further dep-commissioner has ordered to produce papers of both the parties within the span of 48 hours & that 48 hours has passed & they,ll make a report & itll be submitted to the Depty commissioner by monday so my hearing will be done within 15 days

i also have taken the search report from registration office which shows my name on property as i am the new owner & earlier owner was MR akbar ali from whom i had purchased the shop.

Now I asked broker if we can settle this issue quickly as i am already wasting my n time in all the process so he is suggesting me a lawyer who;ll be doing the eviction process from SUB divisional officer 
so right now i am in BIg Puzzle 
1) what should i do at this point in time? 
2) is the doors of Sub divisional office or collector is a right way?
 does he has any sort of powers to evict that person from the premises 
need a proper guidance from this , SOS
3) how can i get the peaceful & vacant possession 
4) i had once met that person NOORA came to know that he was a corporator earlier & he entered the premises & changed his name on property tax bill but society has not entertained him as he never ever gave any papers to society 
also society has maintenance balance of 4 lakh rupees 
society has there own disputes so they dont have powers to give me any discount on balance bill 
what can be done at this point in time 
Regards
sagar bhatia