Which among the following was not a Union Territory before it was accorded the status of Full Fledged state ?

Q. Which among the following was not a Union Territory before it was accorded the status of Full Fledged state ?
Answer: Sikkim
Notes: Himachal Pradesh, Manipur and Tripura were Union Territories before they were upgraded to full fledged state. Sikkim was admitted in India as a full fledged state only.