"Kabir Singh is an accomplished surgeon -- perhaps the best in his field. So the mannerisms and actions needed to be precise," Shahid said in a statement.
"Interacting with experts gave me a deeper understanding of the craft," he added.
WATCH: Angry Shahid Kapoor BLASTS a reporter for repeatedly asking about KISSING scene with Kiara Advani in Kabir Singh
The film narrates the love story of Kabir and Preeti, and how they overcome all the hurdles and find their 'happily ever after'.
"Kabir Singh", a T-Series and Cine1 Studios presentation, is a remake of Telugu hit film "Arjun Reddy" that starred Vijay Deverakonda and Shalini Pandey.
Produced by Bhushan Kumar, Murad Khetani, Krishan Kumar and Ashwin Varde, it is set to release on June 21. The remake is written and directed by Sandeep Reddy Vanga.