Disclaimer: We do not sell NPTEL contents or make any profit out of it. We just help learners to get these contents

without any downloading difficulties by distributing in physical media and charge only for the distribution process


All the course contents are available for free download from the NPTEL website https://nptel.ac.in/courses

Knowledge is Power. Knowledge Shared is Knowledge Multiplied

DIGIMAT Assistive Technology Platform (Assistive Technology for NPTEL) © 2013-2022, LinuXpert Systems, Chennai

For all commercial enquiries related to DIGIMAT Learning Management System, DIGIMAT Asset Management Platform


E-mail Contact Form (Auto Filled) : contact@linuxpert.in, Call / WhatsApp: +91-9884165649

* NPTEL Project License Changed from CC-BY-SA to CC-BY-NC-SA since March 20, 2020 *

Adopting a Creative Commons License is a commitment, as it is a granting of rights in perpetuity:


The license of NPTEL can be neither revoked nor changed to a more restrictive open license.

NPTEL Contents published upto March 20, 2020 will be available under CC-BY-SA License and


NPTEL Contents published after March 20, 2020 will be available under CC-BY-NC-SA License.


NPTEL Copyrights © Jointly held by Ministry of Education (Govt. of India) and IIT(s), IISc Bangalore

Last updated: August 16, 2022