Seven friends Aravind, Bhanu, Charan, Dilip, Prem, Koushal and Gopal are sitting around a circular dining table, facing the centre. Koushal is second to the right of Gopal. Bhanu is a neighbour of Koushal but not of Charan. Prem is a neighbour of Charan and is sitting fourth at the right of Gopal. Dilip is between Prem and Aravind. Who sits fourth to the left of Gopal?