Multicast over ipsecvpn with Fortigate 600c through forticlient

Hi, I want to forward multicast with ip 233.1.2.5 from my multicast server to ipsec vpn client pc connected through forticlient. I can able to connect vpn and can telnet the server very well but not receiving the multicast. I did all settings very well as i am getting the multicast in other vlans in same manner but luck is not favoring in case of ipsec vpn. The vpn tunnel with ip range 103.103.103.x and the multicast server network with ip 192.170.1.202 & 192.170.1.200. I am doing this at Fortigate 600c and connecting from forticlient. Please help me out. Thanks

Rohit