Hi Reddy,

I suppose you want to know the answer key of paper 2 JEE Mains conducted on 7th April. The JEE Mains conducted by National Testing Agency(NTA) are being held from April,7th 2019 to April,20th 2019 in which the paper 2 was on April,7th while paper 1 on April 8th, April 9th, April 10th and April 12th 

Given below is the link of the answer key of April 7th for Mathematics : https://static.careers360.mobi/media/uploads/froala_editor/files/JEE-Main-Paper-2%20April-Answers-Key-by-Entrance360.pdf

For General Aptitude : https://static.careers360.mobi/media/uploads/froala_editor/files/JEE-Main-2019-Paper-2-April-Answers-by-Entrance360.pdf