The spiritual center for the Sikh religion (Golden Temple). Jallianwala Bagh massacre (1919), involving the killing of over 300 Indian civilians by a senior British military officer, Reginald Edward Harry Dyer, took place in the heart of Amritsar.
Amuse yourselves with the pomp and military show of might by the old enemies from both sides of the Indo-Pak border. No violence but a whole lot of chest thumping! The best part is the similarities and the sheer numbers on the Indian side as spectators. Watch patriotism go overdrive and ponder on the shared history and wars between the two nations.
Visit the modernist city planning of Le Corbusier in Chandigarh. Not exactly light relief, but the only successful implementation of Milton Keynes anywhere in Asia. A quick stop before we move on...