Savings bank accounts can be opened by individuals and certain organizations for saving purposes rather than business activities. Eligible account holders include individuals, HUFs, minors, trusts and associations. Accounts can be single, joint, or held jointly with survivorship rights. Interest rates are set by individual banks within RBI guidelines. Minimum balance requirements and penalties for non-maintenance are specified. Premium accounts offer higher withdrawal limits and services for maintaining higher balances. Documentation required includes proof of identity and address.