Hiii, if you want to prepare for CAT examination in future it is necessary to have a good command over the english language. There is a section called verbal ability and reading comprehension in the CAT examination which is totally dedicated towards the english language. Reading newspaper is always considered as one of the best way to enhance your vocabulary and analyitical ability.Though it is not necessary for any aspirant to read newspaper daily, but try to read nespaper as many days as you can. Reading two or three days is also not a bad idea.

Also, we would suggest you to read The hindu or The economic times. As these two daily newspapers are considered as the best resources to improve your vocabulary and will help you in preparing for CAT and other competitive examinations.