Consider the following statements
1. Earlier the Punjab Legislature was bicameral in 1952, comprising the Vidhan Sabha and Vidhan Parishad.
2. In 1959, the strength of the Vidhan Parishad was enhanced from 40 seats to 46.
3. In 1970, the Vidhan Parishad was abolished leaving the state with a unicameral legislature.
Which of the statement(s) given above is/are correct about the Legislature of Punjab?