Yes, I think that partial drop will be a good decision for this year as the competition would reduce highly next year as the Covid Pandemic ceases. Your rank is not enough to get you admission in the top tier colleges of JOSAA and with consistency and this partial drop you may be able to make a breakthrough next year in the rank. So, I strongly recommend you to take a partial drop, thus securing your future as well as aiming for the next year JEE.

You can visit the below links to get an idea of which colleges you can get at this rank -

https://engineering.careers360.com/jee-main-college-predictor?utm_source=qna&utm_medium=jee_cp

https://engineering.careers360.com/jee-advanced-college-predictor?utm_source=qna&utm_medium=jee_adv_cp