Hello Aiswarya,

According to previous year trends, your approximate rank will be 39k to 40k. 

NTA has released the official JEE Main 2019 answer key & recorded responses of multiple choice questions of Paper-1 and Paper-2 in PDF format on April 14. The answer key of JEE Main 2019 will carry the correct responses of the questions asked during the examination. Candidates will the help of JEE Main 2019 answer key can match their responses and calculate their expected score. 

JEE Main 2019 result will be announced in online mode by the authorities. As Paper-I will be conducted in multi-shifts, raw marks obtained by the candidates in different sessions will be converted to NTA Score. 

The authorities will merge the calculated NTA scores for all the sessions. The result of JEE Main 2019 for January attempt was announced on January 19. This result comprises of four NTA scores for each of the three subjects- Mathematics, Physics, Chemistry along with the total marks obtained in Paper-1 of JEE Main 2019 for the first attempt.

The same procedure will be applied to calculate the JEE Main 2019 result for the second attempt. 

For more Detailed Information you can check the following link from careers360.com:

https://engineering.careers360.com/exams/jee-main

All the best!