New Delhi, Aug. 28 -- The IIT-Kanpur's free online coaching platform Self-Assessment, Test and Help for Entrance Exams (SATHEE) has witnessed a sharp surge in registrations after Prime Minister Narendra Modi's August 15 announcement of a national network for free online coaching. The institute is now working with the Union education ministry to develop a new platform that will build on SATHEE's experience. SATHEE recorded 154,000 new registrations between August 15 and 22, compared with 200-300 a day before the announcement, according to data reviewed by HT....