Udhayam NH-4 is a typical Vetri Maaran script that plays with a handful of complex characters. This time he chooses an urban story in which the characters are up for a do-or-die battle on NH4, which connects Bangalore and Chennai. While Polladavan revolved around a stolen motorbike, Aadukalam was set in the backdrop of a rooster fight. In both, the setting and the rooted characters worked well and Vetri Maaran does the same for Udhayam NH-4. However, the movie, directed by debutante Manimaran, lacks the finesse of his mentor's touch.