Hello Arvindpal, for entrance into MGM ( Mahatma Gandhi Mission) college of engineering and technology, Noida, you will have to clear an entrance test. This entrance test is administered by Dr. APJ Abdul Kalam Technical University named UPSEE 2019.
As MGM college is affiliated to Dr. APJ Kalam Technical University, therefore clearing this entrance test will help you in admission to B.Tech courses.

To apply for this Entrance Test, the online application submission dates were 23 Jan, 2019 to 25 March, 2019.

So today is the last date, apply for this exam. Hurry!
Go to this website and fill your online application form for admission into B.Tech courses:
https://upsee.nic.in/publicinfo/public/home.aspx

Correction window will be open till 28 March, 2019.
One more important thing to know is the eligibility criteria for UPSEE B.Tech:
• Candidate should have completed their class 12 from any recognised board/institution in the state of Uttar Pradesh, or any other State( in this case you have to provide the domicile certificate of your father/mother).
• You must also possess the Aadhaar card issued by the Government of India.
• Also, you should have secured 45% marks (unreserved category) or 40% marks ( SC/ST) in your class 12, in the subjects of Physics, Mathematics, and Chemistry/Biology/Biotechnology/Technical Vocational Subject.
• And you must have passed these subjects without grace.

Steps to fill in the application form:
1. Click on the registration link available on the website, and then choose Undergraduate or postgraduate courses as per your choice.
2. After filling in all the necessary details, you have to create a password, and click on 'submit'.
3. If you find any error in your application, an 'Edit Application' option will be provided to you. Edit the application, and once satisfied with the data, tick the declaration box and finally submit the application.
4. So an application number will be generated, and sent to your mail or phone number. Please remember that, as it will be required for future logins.
5. So now you will have to upload your scanned signature image ( less than 30kb) and passport size photograph ( less than 100kb).
6. Next you have pay fee through an online mode.
7. Finally you will be shown a confirmation page, save that page and take 2 print outs of the same for future references.

If you want to know anything more about UPSEE 2019, click the link given below:
https://www.careers360.com/exams/upsee

All the best!
I hope this helps.