Hello aspirant,

The phase 1 has already been conducted and phase 2 will be conducted on April 18 while phase three will be conducted on June 20, 2022.

To get 500 rank or below you will need to score above 250 marks.
Since, difficulty level of SRMJEEE exam, seat availability, etc. varies each year so the cutoff also varies.
SRMJEEE 2022 marks vs rank:

Above 250 -- Below 2000
230-250 -- 2001-5000
200-229 -- 5001-9000
170-199 -- 9001-13000
150-169 -- 13001-15000
130-149 -- 15001-17000
Less than 130 -- Above 17000

For more details you can visit:

https://engineering.careers360.com/articles/srmjeee-cutoff

All the Best.