Muslim personal law in India form of talaq is not allowed in Islamic law. Some Muslim groups recognize triple talaq (or talaq-i-biddat), stating three talaqs at once and proclaiming instant divorce as valid method of divorce. On 22 August 2017, the Supreme Court of India deemed instant triple talaq unconstitutional. Other Muslim groups follow "talaq-i-hasan", where the husband pronounces three talaqs on three separate instances, each one at least 1 lunar month apart. If the husband changes mind after the first or the second talaq, or cohabits with the wife, the divorce is revoked. In Islam, only husband can pronounce the talaq on his wife,
Sharia and securities trading call option as "extremely controversial among `traditional`" Islamic banking and finance scholars. Sharia and securities trading The Islamic banking and finance movement that developed in the late 20th century as part of the revival of Islamic identity, sought to create an alternative to conventional banking that complied with sharia (Islamic) law. Following sharia it banned from its practices "riba", (usury) — which it defined as any interest paid on all loans of money — and involvement in "haram" (forbidden) goods or services such as pork or alcohol. In addition, it also forbid gambling ("maisir") and excessive risk ("bayu al-gharar"). This