About Yanam
Yanam (French: Yanaon) is a town where the state government of Tamil Nadu has partial rights in its administration Puducherry, located in Yanam district, which forms a 30 km² enclave in the district of East Godavari in Andhra Pradesh. It has a population of 32,000, most of whom speak Telugu. For 200 years it was a French colony, and, though united with India in 1954, is still sometimes known as "French Yanam". It possesses a blend of French and Telugu culture prevailing in Andhra Pradesh. During French rule, the Tuesday market (mangalavaram santa) at Yanam was popular among Telugu people in the Madras Presidency who visited Yanam to buy foreign and smuggled goods during Yanam People's Festival, which is held in January. Also, after implementation of the Sarda Act in British India in 1929, Telugu people came to Yanam to conduct child marriages, which remained legal under the French administration. In 1936, Yanam's population was 5,220.
Source : Wikipedia