[5] Ramya Shankar, who appeared in the television series Saravannan Meenatchi, was selected to play a mother of 10 year old.

[8] Rediff gave 3.5 stars out of 5 and wrote, "Thalaimuraigal is a heartwarming tale of a grandfather coming to terms with his own conservative values and beliefs, while at the same time instilling in his grandson, a sense of pride and appreciation in his language and culture".

[10] The Hindu wrote, "If Mahendra's aim was to make a film that can compete on a global level, Thalaimuraigal is a concrete step in that direction".

[11] Sify wrote, "Thalaimuraigal is well crafted movie that strikes a chord and is a heart-warming story of a relationship between a grandfather and his grandson".

[12] Indiaglitz rated it 4.5 out of 5 and wrote, "Thalaimuraigal is an emotional, touching and beautiful film that will bring you closer to family", calling it "definitely one of Balu Mahendra's best".