In a viral video shared by poet Kumar Vishwas, a Bihar teacher is seen singing “aeiou” to teach students the difference between vowels and a tweet, Dr Vishwas said, “I wish we were taught… by such a musical teacher, then even we would have spoken English with the same fluency as Shashi Tharoor,” Later, Amitabh Bachchan retweeted the post with clapping emojis.