Mayank/Arora/Abhimanyu/Megha/Ankur aka Helix. Then there is Sonia as well.
Arora liked Megha & Vice Versa. Shivam also liked Megha.
Darjeeling trip. Strangely no one seemed to remember Shivam or Prakriti. However, there was an audio recording that feebly had their voices.
After 8 years, they meet and Helix introduces his gf Sanjana Puri who was doing Ph.D. in psychiatry in Bengaluru.
Do NOT Miss the below-mentioned chapters at any cost as they are vital to the story:
The movie introduces a few interesting characters in the end and it also makes Dr Biswas introspect himself.