In reply to harshavs:
//It can be done without using config db
class test extend base_test;
task run_phase
seq1.start();
//uvm_config_db #(bit [6:0])::set(this,"*","var",seq1.var );
seq2.var = seq1.var; // OR ser2.randomize() with { var == seq1.var; };
seq2.start();
endtask : run_phase
endclass