The correct option is D Seema
From the given statements, the friends are sitting in following arrangement (Clockwise direction)
Raman Amrut Neeta Mahesh Jyotsna Seema
or
Raman Seema Jotsna Mahesh Neeta Amrut
Now, If Amrut sits to the right of Ramn, the arrangemen will be:
Raman Seema Jotsna Mahesh Neeta Amrut
Hence, Seema is next to Raman