The Pondicherry Representative Assembly was converted into the Legislative Assembly on 1 July 1963 as per Section 54(3) of The Union Territories Act, 1963.

[1] All the 39 members who were elected by 1959 were deemed to have been elected to the First Assembly of Pondicherry Première Assemblée de Pondichéry (1 July 1963 – 24 August 1964).

However, that government was not stable as the ruling party was ridden with personal strifes and factions.

The Government of India had to intervene finally by dissolving the Assembly following the instability caused by the change of party affiliation of members.

Later, after nine months, second general elections were held to the Pondicherry Representative Assembly in 1959.