Indian Ceremonial Brass/Bronze Spear head ??

[katana]

Could this be a ceremonial spear/lance head from India or neighbouring countries.

OAL 16" (approx 41cms)
maximum width 4 3/4 " (12cms)
socket diameter (to fix to shaft) approx 1.5" (3.8 cms)
Blade approx. 8" (20cms)


Any ideas, thank you