The TNSCERT youtube channel is linked there are nearly about 1500 video lessons which are categorized according to subject, standard, and topic. Whoever wants to view a specific video they can search typing the subject to standard and topic and retrieve it.
Under the resources, there are specific resources for teachers ???????? like teacher????????s manuals for CCE. Under student resources, online text books for Std I to XII and source books for (D.El. Education). There are also CCE worksheets for students, of I to IX standard. There are modules for std X and XII regarding career guidance, it has a link to the website