Question [Q] bootloder checking code not run on my phone *#*#7378423#*#* .

i having Lava iris 405+ new model of lava phone ,
i want to check my bootloder is lock or unlock so i am search problem on xda site this is resulting
[Dial *#*#7378423#*#* . Then go to -> "Service Info" -> "Configuration". If there is]
but this number not dial in my phone : *#*#7378423#*#*

so please help me ??? What can i do ...............