Question

why and how do we elect representatives in India

Answer 1

when elected, the parliament is then made up all those elected representatives who then guide the government. By choosing their representatives, the people form the government and participate in the decision-making process, thereby upholding democracy. The parliament of India is the absolute legislative authority.

Results of elections are determined by first-past-the-post electoral system. Elections are conducted by the Election Commission of India. The Prime Minister of India is elected by members of the Lok Sabha, the lower house of parliament. ... In practice, 543 members of the Lok Sabha are elected every five years.

Answer 2

In India we have a representative system of government.
All citizen can vote their representatives in elections which is held in every five years