If you have secured 200 marks in JEE Main paper 2 architecture, you rank would be approximately in between 6500 to 7500.  Also, Above is the range of your possible rank. The predicted rank may vary due to JEE Main tie breaker rules for the same score. The percentile to the above rank would be approx 97-99.

If you have secured this rank you have a chance to get theses colleges:

IIIT Allahabad

NIT Calicut

DTU Delhi

NIT Hamirpur

IIEST Shibpur

NIT Patna

NIT Trichy

SPA Vijaywada

These are the college you will get if you have scored these marks.