Hello Aspirant,
Student, if you go and check the Slot Booking Demo on VIT website, you will notice that there is a Forgot Application Number and Forgot Password link as option. You may click the link for Forgot Application Number once the slot booking will be active tentatively in the third week of March.
Please see the illustration at : http://www.vit.ac.in/btechadmissions/viteee2018
This may help
Happy learning!
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