Hello Kavitha,

JEE (Main)-2019 will be conducted in the following mode:

(a) Paper-1 (B.E. /B. Tech.) in “Computer Based Test (CBT)” mode only.

(b) Paper-2 (B. Arch/ B.Planning): Mathematics- Part I and Aptitude Test-Part II in “Computer Based        Test (CBT)” mode only and Drawing Test –Part III in “Pen & Paper Based” (offline) mode to be            attempted on drawing sheet.

Thanks

Jee Main shall npw be in online nod eonly and for Papser2 Drawing section tou need to attempt in Offline mode/Penpaper Mode.

https://engineering.careers360.com/articles/jee-main-exam-pattern

Detailed exam pattern shared below for both papers.