Computer Training exemption fees

I am a intermediate student of Institute of Cost Accountants of India . I have qualified COMPANY SECRETARIES COURSE therefore i wish to apply for computer training exemption, so in this regard i have to ask about  computer training
exemption fees. I had a telephonic conversation in Delhi office and they told me that i have to send Rs 100 DD to Kolkata with relevant proof.
However it is reflected on institute's website that students registered before 6/12/2011 will have to send a DD of Rs 1000.Please clerify me in this regard that how much amount of DD has to be sent to Kolkata office.My registration is after 06/12/2011.