IAS preparation needs a combination of offline and online study. When it comes to online study, the internet is like an ocean of information and the information database is updated often, therefore giving a wonderful chance for learning for all IAS aspirants.
And when it comes to IAS preparation, just as how much you read is equally important as the quality of what you read. But...
Arabic
French
Spanish
Portuguese
Deutsch
Turkish
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)
Greek