There is a dispute over the territory of Jammu and Kashmir . Jammu and Kashmir is the only state in India which enjoys special autonomy under Article 370 of the Constitution of India according to which , no law enacted by the Parliament of India , except for those in the field of defense , communication and foreign policy , will be extendable in Jammu and Kashmir unless it is ratified by the state legislature of Jammu and Kashmir . Subsequently , jurisdiction of the Supreme Court of India over Jammu and Kashmir has been extended .