[Resolved]  Quikr — promised service not provided even after 8 months and now demanding more money than agreed

Address:

Hyderabad, Andhra Pradesh, 500024

I have paid rs. 1, 05, 133 to quikr rto service on 24th may 2017, to get my car reregister and ownership transfer in hyderabad.
There sales executive sent email after all the calculations and based on his promise to complete the work within 2 weeks, i paid the road tax amount to quikr.
Now they delayed the process since 8 months and now demanding more money.
Below are the details:
1. Vasantha quikr executive sent the breakup on wednesday 24th may 2017 at 5:21 pm (Based on this agreed final price i have paid the tax amount).
Road tax = 1, 05, 133 and grand total = 1, 15, 133

2. Renuka escalation manager sent email after 3 months on saturday 19 august 2017 at 11:50 am ist.
Road tax = 1, 11, 500 and grand total = 1, 24, 000 (For re-registration+number plate change+new rc issuance+fitness certificate+vehical inspaction chareges+noc+quikr service charges).

3. Renuka sent another new amount thursday 18th january 2018 at 4:06 pm ist.
Road tax = 1, 19, 172 and grand total = 1, 33, 333

Please help