Kottumulai is a village in Virudhachalam tehsil in district of Cuddalore, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kottumulai was 3,063 which includes 1,560 males and 1,503 females. Kottumulai covers 275.99 ha area. Pincode of Kottumulai is 606103.