KATHMANDU, March 7 (Reuters) - The campaign that swept aside Nepal's established political heavyweights and brought 35-year-old rapper-turned-politician Balendra Shah to the cusp of power emerged out of the top floors of a six-story building in west Kathmandu.

Gen Z-led protests on September 8-9 last year, demanded an end to corruption, nepotism and stale leadership, ultimately toppling PM KP Sharma Oli's coalition despite its near two-thirds majority.

India remains steadfast in its commitment to working closely with the people of Nepal and their new Government, PM Modi said

The Rastriya Swatantra Party (RSP), formed by rapper-turned-politician Balendra Shah, headed towards a sweeping victory in Nepal's first general elections since the violent Gen Z protests, shattering the dominance of established political parties in the politically fragile nation.

Nepal is counting votes after its first national election since a violent youth uprising toppled the government.

Nepal held its first nationwide election since a youth-led uprising forces the last government from power. Officials reported peaceful voting and about 60% turnout.