Mariselvan is an Under Graduate Mechanical Engineer and Entrepreneur specialising in Acoustics and Vibration Analysis.He started Arduino programming from his second year of engineering and he made the U Arm Robot within 15 days by undergoing his Problem driven learning approach. He is been in the product development for two years at Aatrral, there he made two machines that are Floor scrubber Machine and Advanced Linear Motion Actuator using Arduino. Apart from that, he has been trained at CMTI, Bangalore for Noise and Vibration Analysis. He got the project fund for Linear Motion Actuator in his third year of engineering. Currently, his company Aatrral NVH in the developing stage.