Transfer of open car parking space

I had bought a open parking space in august 2015 from a individual in my society. I have been parking my car since last 3 years there with no complications. We had informed the sale and submitted documents and a NOC for transfer of allotment from the owner itself for which the committed duly accepted. Three is a parking charge of 100 which is levied by society which continues to be charged on the first owner and not in my account. But society Granted me a letter stating the below Sub: Transfer of allotment of Parking No 58 “ As per your letter dated on 12 august 2015 we have noted this for accounting purpose only. All legal complications on your part” Duly signed by secretary of the society, Even we did not notice the Rs 100 nor the seller, but few months back he sold of the flat to some other person and left the city, which we just came to know and went to inform the society, secretary agreed and instructed to accounts personal to make the change and stop those charges in the new owners maintenance account and add up to mine. The chairman had old issues and grudges against me stopped the accounts personal to do so as the building conveyance has not been yet granted to society and the case for deemed conveyance has been applied so we cannot make the change. I told them the previous committee and chairmen was different and had no objection then why are you a creating issues when you were not even there at that time. Now the committee says they are unwilling to do the change and charges continue to be in the new persons account as they still don’t have conveyance, society was formed 12 years back. The committee now says that get original builder allotment letter to get the charges in your name then we will consider it, why will the builder grant me now after 12 years and even the previous allotment letter was in the first owners name and not in the new buyers name then how come they doing it. Chairman has ego issues and that’s why he has got entire committee against me and unwilling to support. I am aware it is illegal to sale and purchase open parking space…but society never had any rule but since its my issue they are trying to cause inconvenience and if they had o object then why didn’t they do it 2 years back why now. The chairman is unnecessarily troubling me and has caused me emotional distress and mental trauma.