which are the top most bba istitute or colledge for tourism,hospitality and aviation?

Hi Dibyajoti, Firstly there are many institutes offer these courses and there is no set standard to rank these institutes, however, you may refer to the following link and can gather information related to the institutes of your interest. To know about the institutes, you may refer to the followin

Dear dibyajyoti, Major Tourism Institutes in India are: College of Hospitality and Tourism, Gurgaon, Haryana. Heritage Institute of Hotel and Tourism, Agra, India. Kuoni Academy of Travel, India. Awadesh Pratap Singh University, Rewa, M.P. HNB Garhwal University, Department of Tourism, Srinagar.

HI Dibjyoti, You looking for this colleges in which city/state? Thanks Abhijeet