A cikin 1923, amintacce ya sayi ƙasa don aikin. An gina abin tunawa, wanda masanin gine-ginen Amurka Benjamin Polk ya tsara, a kan shafin kuma Shugaban Indiya Rajendra Prasad ya buɗe shi a ranar 13 ga Afrilu, 1961, a gaban Jawaharlal Nehru da sauran shugabannin. Daga baya an ƙara harshen wuta zuwa shafin. Tambaya: a cikin wane shekara ne aka kafa amintacce don gina abin tunawa
Shekarar 1920