Tanika Gupta's new play is a beautifully heartfelt mix of comedy and tragedy Queenie is in trouble. Bad trouble. For about a year now, this 68-year-old Indian woman has been forgetful. Losing her car keys; burning rice in the pan; mixing up memories; just plain blank episodes. At various times, she relives distant moments in her life with her husband Ameet, who died more than 20 years ago. Very soon she is diagnosed…