SIP training is of 7 days. go to ur nearest regional office or chapter or visit ICSI website for getting details of SIP training programme. u have to pay 1000 Rs for this training either by cash or through draft.
I think u can claim exemption on basis of ur CA com certificate and in that case u will have to give only online computer xam conducted by Aptech but its better u put this query in Experts section where u will get reliable reply for ur query.