I am fat about 100 kg and a heighr of 5.5. Will cb300r suit for me?

The bike will be a little uncomfortable for you to handle. Even the height of the bike might not be suitable for you. Moreover, you can have a test ride of the bike for a better idea of comfort and ride quality by visiting the nearest dealer in your city. You can click on the following link to see the details of the nearest dealership and selecting your city accordingly - Dealers.