Consider the following statements regarding contesting from multiple constituencies in India:

1. Until 1996, the Representation of the People Act, 1951, imposed no limits on the number of constituencies a candidate could contest from.

2. Post-1996, candidates are legally permitted to contest from up to two constituencies in the same election cycle.

3. Section 70 of the Representation of the People Act, 1951, requires winning candidates to vacate all but one seat, leading to frequent by-elections.

Which of the statements given above is/are correct?