which institute is preferable for GD/PI (group discussion & personal interview)

[Sanjaya Kumar Panigrahi]

classes in Bhubaneswar,Orissa? I want to go for a GD/PI coaching for all kind of competitive exams.Which will be the best institute in Bhubaneswar, Orissa for growing GD/PI(group discussion & personal interview) skills?
Can any one help me out with this?