Question

what is the meaning of redicals leaders

Answer 1

if you mean radicals,then,

Radicals were the type of leader in the Indian National Congress who believed in violence as they way of achieving independence.
They emphasized in the importance of self reliance and constructive work and not relying on the good intentions of the British to make new laws.

Answer 2

The term "Radical" during the late 18th-century and early 19th-century identified proponents of democratic reform, in what subsequently became the parliamentary Radical Movement.