India, Dec. 30 -- In March, Nimisha Kashyap was ecstatic. She was stuck at home due to the Covid-19-induced nationwide lockdown but based on her stellar academic record, she was promoted from Class 6 to 7. Her school, Raja Harish Chand Bal Niketan in Lucknow, was forced to cancel annual examinations in line with government directives, and decided to advance students to the next class. Kashyap, 13, was an outstanding student who had topped her Class 6 examinations. She was eager to start her studies....