Khooni Darwaza

Khooni Darwaza, also referred to as Lal Darwaza was initially called as Kabuli Darwaza, The gate is located near Delhi Gate, on the Bahadur Shah Zafar Marg in Delhi, India. It is one of the 13 surviving gates in Delhi. It is just south of the fortified Old Delhi and was constructed by Sher Shah Suri.

Source: Wikipedia