Self-esteem and self-importance are qualities that make one’s ego, which apart from showcasing one’s true self, protects the identity they have created over time. That’s the premise of Ramkumar Balakrishnan’s Parking, which pits a fantastic MS Bhaskar against Harish Kalyan in his best performance to date. But when it slightly deviates to show us a glimpse of Eshwar’s personal and …