Dear Students Now it is Our time …. Chemistry Time …. Why you fear , when I am here…… Check the video lecture – ” How to prepare Class XII chemistry paper in 3-days”? … on following link – https://www.youtube.com/watch?v=W02lMGeIziA . Subscribe our channel “pics4iit” for more useful updates for your exam preprations.How to prepare class XII chemistry in 3days?