Mutation & Transmission Of Movable & Immovable Properties

We are 4 Class I legal heirs. Our parents expired without a WIll. We need to mutate a freehold DDA flat in Delhi, another property in Navi Mumbai, Shares & Mutual funds held in our parents name (singly & jointly), Bank accounts & FDs. Would a Surviving Members Certificate suffice for all these. Also, What is the difference between Legal Heir Certificate, Survivor Member Certificate and Succession Certificate with respect to movable and immovable properties in Delhi. In case of Legal Heir Certificate/ Succession certificate all the properties, shares , mutual funds to be listed or can we go in for separate certificates for these.