Chemical Engineering and General Aptitude study materials of msubbu are available as courses and course-bundles in the website Wherein, the book contents of msubbu: detailed notes, objective type questions, problems with solutions, and self-assessment quizzes are available in an interactive form. You can assess your learning through self-assessment quizzes. In addition, video lectures and question collections are being added periodically.

You can purchase the courses from this website i.e., and access from

The courses have a access validity period of 1 month / 6 months / 15 months (as specified in the course description) from the date of purchase. One can renew for subsequent period at a concessional rate, as applicable.

MSubbu’s books are available for sale internationally. For sale within India, there is no delivery charges; books will be despatached through registered parcel of India Posts. For sale to other countries, delivery charges are collected based on distance and weight; books will be despatched through DHL couriers.

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