By Neville Lazarus, India Producer, in Delhi
It's a resounding victory and they are celebrating.
Supporters of the Bharitiya Janata Party have been partying since morning when counting began.
Young and old, first-time voters and veterans, they all converged on the BJP headquarters in Delhi.
Rishi, 24, who is studying to be a chartered accountant, believes Narendra Modi is the only one who can get India back on track.
No one but him can bring about that change, he says.
The right-wing BJP won more than 50% of the vote - a feat not seen for 30 years.
It will now form a new government with Mr Modi as prime minister.
BJP supporters celebrate outside the party's building in Ahmedabad With victory in sight earlier in the day, Mr Modi met his mother and accepted her blessings.
A self-proclaimed recluse and introvert, he is rarely seen with family.
Right from the start, Mr Modi set the campaign agenda.
He covered a distance of nearly 200,000 miles across the country, addressing 477 rallies and attending over 5,000 events.
He has been the first politician to use a 3D hologram of himself, reaching 14 million people at 1,350 locations.
His Twitter account boasts 3.9 million followers, while his YouTube videos have been played 13 million times.
Ashok Kumar, who came to celebrate the victory, told Sky News: "Modi has delivered the second independence - the first being when India gained freedom from the British in 1947.
Indian women celebrate Mr Modi's election victory "He has brought the second one after a terrible 10-year rule of the Congress party."
Sonia Gandhi, the head of the Congress party, and her 43-year-old son - vice president Rahul Gandhi, who led the election campaign - have taken moral responsibility for the defeat, telling reporters the mandate was clearly not theirs.
Chants of "Modi! Modi!" resound everywhere in Delhi.
Even senior leaders L.K. Advani and Rajnath Singh spoke of the Modi 'effect'.
His party seems to have been relegated to the background.
However, Mr Modi is seen by many as a polarising figure in the Indian political landscape.
He was at the helm of affairs during the Gujarat riots in 2002.
Mr Modi has pledged to work for the good of all Indians Over 1,000 people died, many of them Muslims, and 100,000 were left homeless.
No courts have indicted him and investigations have left him in the clear but his role in the riots is still furiously debated.
Britain refused to deal with Mr Modi for a decade and only in October 2012 was the diplomatic boycott finally lifted.
Throughout his campaign, Mr Modi stayed away from religious rhetoric, concentrating instead on development and good governance, of which he has a proven record in Gujarat.
But India is a secular country with many minority and linguistic communities.
Mr Modi will have to reach out to all to be accepted as a national leader.
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