It was 50 years ago today, when hundreds of Londoners flocked to Sadler’s Wells theater to show their support and donate to the cause of Bangladesh’s war of independence. It too was a concert, though not as spectacular as the Madison Square Garden’s Concert for Bangladesh organised by Beatles guitarist George Harrison and Sitar Maestro Ravi Shankar. The London Concert and seven other concerts in following weeks in various other English cities were known as “Concert in Sympathy”. Sadler’s Wells had three shows on the day. And, the key organiser of the series was Birendra Shankar, one of the nephews of Ravi Shankar.    Birendra too courted support from politicians, artists from both parts of Bengal, celebrities including Hollywood’s top actress Glenda Jackson, and businesses for his concerts. Birendra Shankar, who founded the Sanskritik Centre of Indian Arts, was well known for his devotion in promoting Indian classical music in Britain. Unfortunately, there is not much in...