Not converted emi

&lt;p&gt;&lt;b&gt;Location/place&lt;/b&gt;: Thane/Mumbai&lt;/p&gt;<p><b>Name of company/service</b>: Reliance Digital Thane/Standard Chartered Credit Card</p>My name is NIRAJ SINGH & my mobile no. is 9320945697
I had bought mobile worth Rs.39604 from Reliance Digital Thane from my Standard Chartered credit card no.5546232903062312 on 6 month emi with processing fee of Rs.899 on 7th November-2012
Still its not converted into emi till 4th April-2013
Standard Chartered Credit Card are charging interest on there bills.
No one is giving me solutions regarding on this matter.
Where to go?
Please help me & do needfull supports
Thanks & Regards
NIRAJ SINGH-9320945697