What is the RAGA of kalank movie title song sung by Arijit Singh?

What is the RAGA of Kalank movie title song sung by Arijit Singh?

Song Details : 

Music - Pritam

Lyrics - Amitabh Bhattacharya

Singers - Arijit Singh

Music Production & Sound Design - DJ Phukan & Sunny M.R.

Music Programmed and Arranged - Sunny M.R., Arijit Singh & Jim Satya

Additional Music Programming - Prasad Sashte

Mix & Master - Shadab Rayeen @ New Edge

Harmonium - Arijit Singh

Tabla - Ishteyak Khan, Sukanto Singha & Vinayak Netke

Rabaab, Mandolin & Various Pluck Instruments - Tapas Roy

Kanun - Tamer Pinarbasi

Acoustic & Electric Guitar - Aditya Shankar, Roland Fernandes

Spanish Guitar - Pedro Medina Morejon De Giron

Bass - Raj Kumar Dewan, Roland Fernandes & Sunny M.R.

Violin 1 - Chalat Limpisiri, Thanaporn Sathienwaree, Pacharapol Techatanachai, Karn Watcharaprapapong, Bodin Pukang, Ittipat Pisalchaiyapol, Khajeepaan Jangjamras & Anapat Vuthithanthaveekij

Violin 2 - Pittaya Pruksacholavit, Pongsit Karnkriangkrai, Napat Nanasombat, Teesin Puriwatthanapong, Varissara Tanakom, Patcharapan Sombuntanon, Kittipith Kaivikai & Tassanai Punprasert

Viola - Suvijak Chotikool, Nawattasit Kanjanajai, Thachapol Namwong, Pongthep Jitduangprem, Surachon Lerdlop, Jitsamon Shattrakom, Nitivadee Kaosard & Yuwadee Kanchanasatit

Cello - Nichapa Nilkaew, Teerakiat Kerdlarp, Vannophat Kaploykeo, Saran Charoennit, Roypim Thavornsuwan & Vorapon Thannuekmeesinkul

ContraBass - Rutawat Sintutepparat & Prawwanisita Neesanant

Conducted By - Trisdee na Patalung

Vocal Production - Tushar Joshi & Arijit Singh

Vocal Conductors - Tushar Joshi & Kaushik Das

Chief Sound Engineer & Shootmix by Ashwin Kulkarni

Recording Engineers - Ashwin Kulkarni, Aaroh Velankar, Himanshu Shirlekar, Kaushik Das, Aniruddh Anantha & Harjot Kaur

Assistant to Shadab - Abhishek Sortey & Dhananjay Khapekar

Music Team - Shloke Lal

Presentation Members - Rahul Tiwari and Zafar Ansari

Chorus - Tushar Joshi, Kaushik Das and Sukanto Singha

Music Production Manager - Anurag Sharma