Can not root my device(lg-E435)

[Sharishth]

i want to root my device but i can't. i tried many ways but didn't help.when i tried to root my phone with app named kingo android rootit couldn't root and gave errors like need root or some type of ADB error. my device specs
1 GHz processor(single core)
512mb ram
GPU adreno 200
Android 4.1
all specs => LG Optimus L3 II Dual E435 - Full phone specifications