Defence Minister Rajnath Singh paid tribute to former Prime Minister Chaudhary Charan Singh on his birth anniversary today.<br />''<br />''The Defence Minister said, Chaudhary Charan Singh was a highly respected farmer leader of the country who played an effective role in strengthening the farmers, labourers and other weaker sections of society.<br />''<br />''The Minister said, Charan Singh also strengthened Indian democracy and the country will always remember his contribution.<br />''<br />''<br />