When Devi and Sadhyaji are sharing 'kheer', Sadhya takes the container back on to his left hand. In the next shot, he is holding the container in his right hand.
When Devi takes out the Technical Report, while traveling on the bus, the name on the cover is 'Piyush Aggarwal'. In the next scene, when she visits the college, she finds an obituary of the same guy pinned to the notice board. In it, the name is 'Piyush Agarwal'.
When Deepak takes a print-out of Shaalu's Facebook profile, the friendship status says 'Friends' when it should be 'Friend Request Sent' because Shaalu has not yet accepted her friend request.
The Indian Railway appointment letter that Devi supposedly reads is actually a copy of The Indian Railway Servant's Pass Rules (1986) a free and concessional travel privilege for railway employees.
When Devi takes out the Technical Report, while traveling on the bus, the name on the cover is 'Piyush Agarwal'. In the next scene, when she visits the college, she finds an obituary of the same guy pinned to the notice board. In it, the name is 'Piyush Agarwal'.