India, March 8 -- In 2007, actor Aamir Khan turned director with the emotional drama, Taare Zameen Par (TZP). The film, which showed actor Darsheel Safary portray a dyslexic child and Khan as his teacher, struck a chord with the audience and emerged as a critical and commercial success. Keeping up with his endeavour to throw light on lesser-known health conditions, we have learnt that Khan's next project, Sitaare Zameen Par(SZP), centres aroundDown syndrome....