Indian Prime Minister Narendra Modi's Bharatiya Janata Party (BJP) headed for a surprise election victory in Haryana state on Tuesday, reinforcing its popularity in the northern heartland a few months after stumbling in national elections.

The BJP is in the lead in the state of Haryana which borders the capital Delhi, but trails in the federal territories of Jammu and Kashmir, which are seeing their first election results in a decade.

Some reports initially showed the Congress past the majority mark of 46 in the 90-member assembly, as predicted in exit polls, but the tables turned as the BJP later crossed the magic number in early trends.

Most exit polls had predicted a hung assembly in Kashmir but an alliance of the main opposition Congress and the National Conference Party (NCP) are on course for a landslide in t

India's ruling Bharatiya Janata Party (BJP) appeared on course for a surprise win on Tuesday in polls in the northern state of Haryana, but was trailing the opposition in the first elections in a decade in troubled Muslim-majority Jammu and Kashmir.