NIIT — I dont wish to continue .....for DMQL course

Address:

Saharanpur, Uttar Pradesh

I do not wish to continue My DMQL Course as i am currently studing in NIIT,Saharanpur enrolled in GNIIT But i dont find the teachers teach fine way .....they are not able to explain the concepts ..and does not have intact & deep knowledge. So i order to save my time and money i need to refund my another course DMSQL Amount ,but the centre staff said me that it cannot be downgraded .Please help me.
Its The Worst Insitution i am in ....