how can an Indian get admission in purdue University for engineering ?

Purdue is currently home to 2001 Indian students933 undergraduates and 1068 graduate and professional program students. Purdues Indian students hail from every major metropolitan area in India and from Indian students on six continents. Indian students represent 21.9% of our international student bodyup from 18.2% two years ago. Thanks to the generous contributions of Purdue alumni, since 2016, Purdue has offered merit-based scholarships to students from India, through the Indian Emerging Scholar fund.

Indian students play an active role in campus activities. There are dozens of student organizations in which students can become involved. For example, Indian Graduate Students at Purdue (IGRASP) is a campus cultural organization that aims to build a sense of community away from home for Indian graduate students at Purdue by easing the initial transition to U.S. university life while celebrating the major Indian holidays.
For Admission applications  you need to visit the link mentioned below
https://www.purdue.edu/purdue/admissions/index.php

Feel free to comment if you have any doubt
Good luck