Congress leader Rahul Gandhi embarked on a bike ride to Pangong Lake in eastern Ladakh on Saturday, where he would stay overnight in a tourist camp. According to party sources, Rahul will celebrate his father and former PM Rajiv Gandhi`s birthday on August 20 at Pangong Lake. Gandhi, during his maiden visit to Ladakh on Friday, held an interactive session with over 500 youth in Leh. The Congress leader arrived in Leh on Thursday on a two-day visit to the region. However, his tour has been extended till August 25.