A curfew was imposed in Patiala, a city in the Indian Punjab, after Hindu extremists attacked and clashed with pro-Sikh separatists.
According to Indian media, several people were injured in clashes between supporters and opponents of Khalistan in Patiala city of Indian state of Punjab. Internet and mobile service shut down in Patiala
Proponents of Khalistan carried swords and chanted slogans such as "Long live Khalistan and rule Khalsa".
The Hindu extremist group has threatened to attack and burn down the homes of pro-Khalistan protesters. The Hindu extremist group has called for a strike in Patiala and demanded that the police arrest Khalistan supporters.
Sikhs are fighting for independence from India and for their separate country Khalistan. The Sikh community in Britain has approved the establishment of Khalistan through a referendum.