In today's ToThePoint, Forbes India's Rajiv Singh offers his perspectives on what ails India's edtech sector in the backdrop of Byju's travails, including the latest—a 62 percent knock-down in the startup's value by Blackrock. Rajiv points out that it's a "season of markdowns" and no sector has been spared. There are also factors such as a lack of transparency, edtech startups playing fast and loose with their advertisements in India and the plain absence of good business sense among some companies that's landed them in a pickle