BITSAT 2019 shall be conducted in 3rd week May and will b ein onlin emode. 

Exam scores applicable for all 3 campuses viz Goa, Pilani and Hyderabad.

All details and eligibility criteria shared below  

https://engineering.careers360.com/articles/bitsat

BITSAT exam will be organized in the last two weeks of May. That is around the time when JEE advanced is organized. Since exam in organized in the different slot, it spread in many days

BITSAT exam is completely online Just like Your JEE Main. and syllabus is similar to JEE ADvanced.