There are basically 4 variants of the Privy League. For details, you must go through the website. Though most of the benefits you can have in other HNI accounts. Now it all depends on the whole support system and infrastructure. The "worth it or not" part comes down to personal preferences, for me it's a no.
Learn about the plans in the privy league services provided by Kotak Mahindra Bank for your personal banking. To know more about the privy league products, click here.