"We did extensive research and travelled for six months across places where the story is based," Sappel told PTI.
Even though a lot of effort has gone into production design, Sappel wants audience to relate to the story instead of focusing on the sets.
Kunal Kohli's 'Teri Meri Kahaani', featuring Shahid Kapoor and Priyanka Chopra, depicts love stories set in three different time periods