NIIT — cheated, gave money back

I have done GNIIT course from NIIT, firstly the staff is not providing proper education to the students, secondly after my course completion they provided me internship in BHEL as a database developer where they told me that i have to maintain there website there but unfortunately they gave me all Excel work, after internship completed they are providing centers job forcefully, prev. Also have submitted complaint against them, after complaint they provide me job in HDFC here also they done fraud they told me that I'm going to hired as a HDFC staff and salary upto 20k and they also told not to ask for salary, I have all call recordings, I passed all interviews at the day of document submission, I got to know that my salary is 12k which was shocking but after a call with HR Danish Gupta they hike my salary to 15k and danish told me that they will increase it after 6 months, and after joining 15-20 days later i got to know that i was hired as a ADFC staff which is a subsidiary company of HDFC here also they fraud, not only me but many students . Please refund my course fee approx 300000 . Or i am going to fill legal complaint against you in consumer courts . All staff of NIIT South ex left NIIT so that they will not indulge in all this, and HR neelanjana nandi also left job from there . Please see to it i dont want any explanation just gave my money back