Protesting farmers breached barricades and changed their agreed route of a tractor rally to enter central Delhi on Republic Day, dozens of tractors rolled into the Red Fort. Protesters were seen within the ramparts of the iconic Mughal-built monument, putting up yellow Sikh religious flags, waving sticks and shouting slogans. NDTV's Sreenivasan Jain reports from the Red Fort that was overrun with tractors.