The Bharatiya Janata Party (BJP) is a national party, while the other three are regional parties.

The All India Trinamool Congress (AITC) has been in power in West Bengal since 2011, while the other three parties have been in power for shorter periods of time.

The Dravida Munnetra Kazhagam (DMK) is known as the 'Dravidian Party' because it represents the interests of the Dravidian people of South India.

The Aam Aadmi Party (AAP) is known as the 'Party of the Common Man' because it represents the interests of the common people of India.

The Samajwadi Party (SP) is known as the 'Party of the Masses' because it represents the interests of the masses of India.

The Rashtriya Janata Dal (RJD) is known as the 'Party of the Peasants' because it represents the interests of the peasants of India.

The Communist Party of India (CPI) is known as the 'Party of the Workers' because it represents the interests of the workers of India.

The Janata Dal (United) (JD(U)) is known as the 'Party of the Youth' because it represents the interests of the youth of India.

The Indian Union Muslim League (IUML) is known as the 'Party of the Minorities' because it represents the interests of the minorities of India.

The Samajwadi Party (SP) is known as the 'Party of the Backward Classes' because it represents the interests of the backward classes of India.

The Bahujan Samaj Party (BSP) is known as the 'Party of the Dalits' because it represents the interests of the Dalits of India.

The Jharkhand Mukti Morcha (JMM) is known as the 'Party of the Tribals' because it represents the interests of the tribals of India.

The Rashtriya Lok Dal (RLD) is known as the 'Party of the Women' because it represents the interests of the women of India.

The Shiromani Akali Dal (SAD) is known as the 'Party of the Farmers' because it represents the interests of the farmers of India.

The All India Anna Dravida Munnetra Kazhagam (AIADMK) is known as the 'Party of the Fishermen' because it represents the interests of the fishermen of India.