"Common Sense, Or Ekatma Vignan" is a 1923 Advaita Vedanta text by Soham Swami that applies logic and rationalism to spiritual concepts. Famously referenced by Bhagat Singh, the work is largely rare, though bibliographic details are maintained by Google Books. For more details, visit Google Books Google Books
If you are looking for the latest digital scan, the Internet Archive usually has the best quality version, often scanned from university libraries (such as the Harvard University Library preservation copy). common sense book by soham swami pdf upd