Mattukkara Velan () is a 1970 Indian Tamil-language action drama film directed by Pa. Neelakandhan. It is a remake of the 1966 Kannada film Emme Thammanna. The film stars M. G. Ramachandran, Jayalalithaa and Lakshmi, while S. A. Ashokan was the villain. It was released on 14 January 1970, and ran for 100 days in 16 theatres. Plot Velan is an innocent villager whose livelihood is rearing cattle and looks God in them. Nagalingham municipal chairman is crooked and cruel, performs many atrocities in the town also involved in anti-social and illegal activities. He has an arrogant daughter Kamala and a good-nurtured son Sundharam. Sundaram always teases and revolts against his father for his evil deeds. Once Velan's cows obstruct Kamala's way, she beats the cattle when Velan becomes furious and beats her in turn but becomes frightened when he learns that Kamala is chairman's daughter. Nagalingham sends his men to kill Velan but Sundharam rescues him and changes his attire as a college student. Meanwhile, Advocate Sattanathan an honest person who always supports the justice, backs the piety and gives a tough fight to Nagalingham. He leads a happy family life with his ideal wife Annapurna and a daughter Radha. Sathiyanadhan fixes his daughter marriage with his childhood friend Sripathi's son Raghu who resembles Velan. On the advice of Sundaram Velan reaches Sattanathan's house, they mistake him as Raghu and highly honors him. Here Velan and Radha fall in love with Radha. Eventually, Raghu arrives to apprentice Sathiyanadhan, he was caught by goons of Nagalingham they take him to Nagalingham's house and beats him. However, Raghu escapes, enters Sattanathan's house where he is surprised to see Velan, explains Raghu about his problem and he understands the fact. Knowing that Velan is in love with Radha he stops and asks him to stay along with him. Now they play a confuse drama without revealing their identity. Meanwhile, Raghu meets Kamala, she again teases him mistaking him as Velan but afterward feels sorry when both of them fall in love. On the other hand, Sundharam loves their maidservant Kaveri. Unfortunately, once Radha witnesses Raghu and Kamala, misunderstands Velan when Raghu turn up affirms the entire story. Hearing it, Sattanathan throws Velan out and decides to make Radha's marriage with Raghu. But Raghu refuses it and says he is going to marry Kamala. Then Narasimha declares Nagalingham as his father's murderer who