A very important article by Ali Sina, author of ‘Understanding Muhammad’ and founder and chief editor of www.faithfreedom.org is ‘How I left Islam- from Belief to Enlightenment’. It was written on 25 June 2001. This important article was available in French, Malayalam, Tamil, Bangla, Kannada apart from English. Now it has also been translated and made available in Hindi.

It can be downloaded in Hindi here https://www.mediafire.com/file/jqe7xermdonx8ay/How_I_left_Islam-From_Belief_to_enlightenment%2528Hindi%2529_by_Ali_Sina.pdf/file

or here https://www.pdfdrive.com/how-i-left-islam-from-belief-to-enlightenment-hindi-by-ali-sina-e201277658.html

Hindi is a language which is understood by a very large number of people, at least 600 million in India, Pakistan, Bangladesh and Nepal.

Some other important books and articles are available in various languages at this link https://www.faithfreedom.org/important-books-and-articles-e-g-mistakes-in-the-quran-in-various-languages-for-free-download/