In the 1999 parliamentary elections, the National Democratic Alliance (NDA) was formed, with BJP as the largest member of the coalition.
The National Democratic Alliance is an Indian big tent multi-party political alliance, led by the country's biggest political party, the Bharatiya Janata Party (BJP).
It was founded on 15 May 1998.
It currently has a majority in both the Lok Sabha and the Rajya Sabha, and controls the Government of India as well as the governments of 19 out of 28 Indian states and 2 out of 3 Union territories with legislative assemblies.