Hello,

"The Hindu" is undoubtedly is the best option for covering any exam, the language, vocabulary used in the paper is slightly more on a erudite level, especially if you look at editorials part it not only enhances your knowledge but also your vocabulary section,  if you find The Hindu too tough then you can consider The Indian Express as well, in the recent times it too has become popular, the editorials of this newspaper too is quite good, you will be required to focus on news of national and international importance predominantly for SSB preparation, read newspaper on a daily basis if you find time then you can read both the paper in combined form, just have to skim through what's important, and which paper has presented the information in more elaborative manner, and you find it easy to comprehend, install the apps in your mobile, that way it will be more accesible.