An attempt has been made in this paper to provide an overview of the regulation of mergers under the competition law regime in India. This paper shall primarily deal with the regulation of mergers under the Competition Act, 2002 and Competition Commission of India (Procedure in regard to the transaction of business relating to combinations) Regulations, 2011. Mergers are regulated in India and in other jurisdictions in order to avoid anti- competitive effects such as foreclosure of competition or concentration of few firms in the market. Firstly, the paper provides a brief overview of Mergers and their regulation in India. Secondly, the paper provides the extent and nature of regulation of Mergers under the Competition Act, 2002. The object and extent of regulation of horizontal mergers under Competition law in different jurisdictions will also be addressed. The paper also takes into consideration the extent and nature of regulation of Mergers in other common law jurisdictions. Thirdly, the paper advances the current regulatory scenario with respect to Mergers with the help of case laws and orders of the Competition Commission of India. Finally, a conclusion and suggestions shall be made by the researcher on the basis of the research undertaken. The aim of the paper is to delineate the procedure that is ascribed in the Competition Act, 2002 and the Combination regulations which shall be analysed through a comparative approach.