In an interview with an online media website, both Sai Pallavi and Rakul Preet Singh talked about their NGK experiences. Both were in full praise of the directorial skills of Selvaragavan and also, about the simplicity and childlike behaviour of Surya. Rakul, in particular, said in detail how she learned more about acting from Selvaragavan. She said it was a good experience working with the taskmaster.
The disciplined shooting of the NGK unit: Both the lead actress of NGK was full praise of the NGK unit, and even cellphones were not allowed in the shooting place. Also, they said there were total silence and strict rules to be followed. Only the dance shooting seems to be the only free and jolly time of the shooting. Sai Pallavi said she even cried of not able to bring about the expectations of Selvaraghavan. According to both the actress, many scenes were shot several times for bringing perfection.
The interview was full of praise of the skills of Selvaragavan and Surya: Rakul said she learned a lot more of acting skills like not blinking during dialogue delivery and to leave a 3-second phase between dialogues. Both conveyed that Selvaragavan was different from other directors in many ways. Also, they said it was like learning acting lessons from the taskmaster.