Hi Adarsh, 

You can get CA foundation books from any academic books shop or online at Amazon. If you want video lectures from top faculties instead of preparing from book, you can order online a pendrive which contains all the lectures from this site:

https://studyathome.org/t/ca-foundation-lectures

You can also follow this youtube channel:

https://www.youtube.com/channel/UCi9SjOgQgUBedh298NLTplQ

Good Luck:)