In reply to Rahulkumar:
Your problem is in component_c. Look here:
function new(string name, uvm_component parent);
super.new(name, parent);
analy_fifo_c = new("analy_fifo_b", this); //There is a typo.
endfunction : new
The marked line should be
analy_fifo_c = new("analy_fifo_c", this);