Kachikkuvachan is a village in Tirukkoyilur tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kachikkuvachan was 445 which includes 216 males and 229 females. Kachikkuvachan covers 257.28 ha area. Pincode of Kachikkuvachan is 605757.