Which of the following statements is/ are Correct about “All India Industrial Exhibition (AIIE), Hyderabad.”?

1) The AIIE, Hyderabad's 81st edition, was officially opened by Telangana Governor Tamilsai Soundararajan.

2)It is referred to as Numaish by locals.

3)The exhibition began under the administration of Hyderabad's last Nizam, Mir Osman Ali Khan.