Dear Aviral, IIST B.Tech Registrations will open online from May 22nd. The last date to submit the applications is June 5th. Since there is no entrance examination, admissions will be based on JEE Advanced scores. Once you submit your applicayion, during the 3rd week of June, tentatively the final rank list will be declared. You can fill in the choices from 3rd-4th week and finally the seats will be allotted from there on until he 4th week of July. Once the applications are released, you need to register using your JEE Advanced roll number and Date of birth. In the next step, you have to fill in your personal details, JEE Mains and Advanced Marks, etc. Then you have to make a payment . For more information, please visit our page at: https://engineering-careers360-com.cdn.ampproject.org/v/s/engineering.careers360.com/articles/iist-btech-admission/amp?amp_js_v=a2&amp_gsa=1&usqp=mq331AQCCAE%3D#referrer=https%3A%2F%2Fwww.google.com&amp_tf=From%20%251%24s&ampshare=https%3A%2F%2Fengineering.careers360.com%2Farticles%2Fiist-btech-admission