The 85th Edition of All India Industrial Exhibition (AIIE), popularly is known as numaish is known as " Ladies Day " on Tuesday January 6th , a long–stranding tradition. One day of the Exhibition is designated every year to allow only female visitors, barring the entry of all males above 10 years . It is said that the tradition was started by the 7th Nizam . Mir Osman Ali Khan in 1940 for Muslim women who hesitated to visit the Exhibition due to male crowd , celebrations will takes place from 4:30 pm onwards