When was Lok Sabha first constituted?

The correct answer is Option 3 - 1952

The First Lok Sabha was constituted on 17th April 1952 after the successful completion of elections.

Here's a breakdown of the key events related to the first Lok Sabha:

General Elections: The first general elections in independent India were held between October 1951 and February 1952.
Lok Sabha Constitution: The First Lok Sabha was constituted on 17th April 1952 after the successful completion of elections.
First Session: The inaugural session of the Lok Sabha commenced on 13th May 1952. This marked the beginning of a democratic parliamentary system in independent India.