The legal system of India consists of Civil law, Common law, Customary law, Religious law and Corporate law within the legal framework inherited from the colonial era and various legislation first introduced by the British are still in effect in modified forms today. Since the drafting of the Indian Constitution, Indian laws also adhere to the United Nations guidelines on human rights law and the environmental law. Indian personal law is fairly complex, with each religion adhering to its own specific laws. In most states, registering of marriages and divorces is not compulsory. Separate laws govern Hindus including Sikhs, Jains and Buddhist, Muslims, Christians, and followers of other religions. The exception to this rule is in the state of Goa, where a uniform civil code is in place, in which all religions have a common law regarding marriages, divorces, and adoption. In the first major reformist judgment for the last decade, the Supreme Court of India banned the Islamic practice of "Triple Talaq" (divorce by uttering of the "Talaq" word thrice by the husband). The landmark Supreme Court of India judgment was welcomed by women activists across India. , there are about 839 Central laws as per the online repository hosted by the Legislative Department, Ministry of Law and Justice, Government of India. Further, there are many State laws for each state, which can also be accessed from the same repository. History Ancient India represented a distinct tradition of law, and had a historically independent thought of legal theory and practice. The Dharmaśāstras played an important role. The Arthashastra, dating from 400 BC and the Manusmriti, from 100 AD, were influential treatises in India, texts that were considered authoritative legal guidance. Manu's central philosophy was tolerance and pluralism, and was cited across Southeast Asia. Early in this period, which culminated in the creation of the Gupta Empire, relations with ancient Greece and Rome were not infrequent. The appearance of similar fundamental institutions of international law in various parts of the world show that they are inherent in international society, irrespective of culture and tradition. Inter-State relations in the pre-Islamic period resulted in clear-cut rules of warfare of a high humanitarian standard, in rules of neutrality, of treaty law, of customary law embodied in religious charters, in exchange of embassies of a temporary or semi-permanent character. After the Muslim conquest in the Indian subcontinent, Islamic Sharia law spread with the establishment