This document outlines the contents of the SEBI (Substantial Acquisition of Shares and Takeovers) Regulations 2011, which provides the legal framework for takeover bids and acquisitions of Indian public companies. It discusses the objectives of the regulations, key definitions, triggers for mandatory open offers, offer size and pricing requirements, escrow accounts, the open offer process, obligations of acquirers and target companies, exemptions, and penalties for non-compliance. The regulations aim to protect investors and ensure fair acquisition processes along with timely disclosure of information.