The fees for attending The Open Group India Conference are the same for Chennai, Hyderabad, and Pune but vary according to whether you are an Open Group member, the member of an Afffiliate organization of The Open Group, or a non-member:-

INR 10,000 - Member rate
INR 13,000 - Affiliate rate
INR 15,000 - Non-member rate

Registration for the three venues can be found here