An interesting thought may not necessarily translate into an interesting screenplay. Aa Dekhen Zara is a prime example of this statement.
Think about it.. A man inherits his grandfather's camera and with the camera comes the ability to see the future. What an idea, Sirji... But Aa Dekhen Zara is akin to a bottle of soda, which starts off with a lot of energy, but the fizz settles down faster than expected.