How many Indian states celebrate their formation on November 1 st?

Explanation

Seven. States formed on 1st November: Andhra Pradesh (1956), Karnataka (1956), Kerala (1956), Madhya Pradesh (1956), Haryana (1966), Punjab (1966), Chhattisgarh (2002). Two Union Territories also formed on this day: Puducherry (1954) and Lakshadweep (1956).