Dear aspirant,

If you lost your admit card but you have your registration number with you , on your phone which you gave registered the regiy number will also come in your inbox just checked it and if you find your no .

Just ho through www.cbseneet.nic and here you can again download your admit card and if not then ar the time of counselling they will help you or contact to the helpline number, they will suggest you something.

Thank you

Good luck