In international arbitration, anti-suit injunctions refer to interim orders/measures issued by arbitral tribunals restraining the parties to the arbitration from commencing or pursuing recourse in Domestic law or other international forums pending resolution of a dispute before a particular arbitration forum. Similarly, the concept is being used in traditional courts and has been derived from English law and is categorically a common law yet there are certain grey areas in Indian legal context which need to be addressed. Thus, here is an in-depth analysis on common law of Anti-Suit Injunction which is substantially barred by section 41 (a) & (b) of the Specific Relief Act, 1963 yet is well established and prevailing law as interpretated in landmark judgments by Hon’ble Supreme court of India.