Hi Shashikant!
Well done on some good work — this looks good from a cursory glance, but I’d like to invite you to look over our source code, marking guide and live example to see how your work matches up:
https://github.com/mdn/learning-area/blob/master/html/introduction-to-html/marking-up-a-letter-finished/index.html41
https://github.com/mdn/learning-area/blob/master/html/introduction-to-html/marking-up-a-letter-finished/marking-guide.md2
https://mdn.github.io/learning-area/html/introduction-to-html/marking-up-a-letter-finished/1