I gave vit entrance exam and I have been called for counciling session , I don't know what to aspect there ,what are counciling session .

Counselling of VITEEE will be single-window counselling. During counselling you will have to submit your documents for verification. Also, counselling will be conducted based on the order of merit, and seats will be displayed at the counselling centre so you know your chances of admission and can decide accordingly. You can learn more about VITEEE counselling here