Dhyan Sreenivasan is busy juggling shooting schedules and interactions promoting Nadikalil Sundari Yamuna, which releases on September 15. When people around constantly use ‘filters’, people like me come across as being almost ‘dystopian’!” he says over the phone, laughing. Nadikalil Sundari Yamuna, he says, is reminiscent of the films of the 1980s-90s rural-based, light-hearted films which were loaded with situational …