Sony: They overprice and don't lower prices much
Samsung: They overprice and keep lowering the price every month (or fortnight

)
LG: They price it high enough but don't lower it abruptly
HTC: They haven't launched the global version of M9 in India. Don't know how they will play the pricing game.
Oneplus 2, Nexus 5 (2015), Moto X3 all three of them would be priced close at launch.