In 1967, various non-congress parties came forward to form a joint legislative party called the :
(1) Bharatiya Janta Party
(2) United Front
(3) Samyukt Vidhayak Dal (SVD)
(4) National Democratic Alliance

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The elections of 1967 marked the emergence of a notable political phenomenon - coalition politics. With no single party securing a majority, various non-Congress parties united to form joint legislative groups, referred to as "Samyukt Vidhayak Dal" in Hindi, to back non-Congress governments. As a result, these governing entities earned the designation of SVD governments. Notably, most of these coalitions comprised partners with differing ideological orientations.

For instance, the SVD government in Bihar showcased a diverse composition, including the participation of two socialist parties - SSP and PSP - alongside the left-leaning Communist Party of India (CPI) and the right-leaning Jana Sangh. Similarly, in Punjab, a coalition known as the 'Popular United Front' came into existence, featuring the rival Akali factions - the Sant group and the Master group - alongside both communist parties (CPI and CPI(M)), the Socialist Party (SSP), the Republican Party, and the Bharatiya Jana Sangh.