Correct option is A
Chandigarh was established as a Union Territory on November 1, 1966, when the state of Punjab was reorganized based on linguistic lines.
The city of Chandigarh was originally developed as the first planned city of independent India, designed by French architect Le Corbusier.
Delhi became a Union Territory earlier in 1956 and was designated National Capital Territory (NCT) in 1992.
Goa became a Union Territory in 1961 and was granted statehood in 1987.
Andaman and Nicobar Islands were designated a Union Territory in 1956.