Zam Zama or Zam-zammah also often called the 'terror of Northern India' is an old cannon. It is made of brass and was made in Lahore (now in Pakistan) in 1762, on the orders of the Afghan king. Ahmad Shah Durrani. It was of great size back then, and had tremendous fire-power, and all armies opposing the Afghans were terrified of it in the region. 