<span style="color: #222222;">Senior BJP leaders and Union Ministers Arun Jaitley and Dr Harsh Vardhan  paid floral tributes to party ideologues Shyama Prasad Mookerjee and Pandit Dendayal Upadhyaya  at the BJP headquarters in New Delhi  on the occasion of the party's foundation day today.</span><br />'' <br />'' <span style="color: #222222;">Speaking on the occasion, Mr Jaitley said, the BJP is the world's biggest political party. He said, the party will fight the Lok Sabha polls with the commitment to ensure country's prosperity and for welfare of the poor.</span><br />