Question [Q] Pls Help to Overclock

Hello I am a new user now i have successfully rooted my Samsung galaxy pocket neo duos S5312.. and Now i want to Overclock it.

Please anyone Help me with that How to install custom kernal and then overclock it safely...

Please anyone guide me step by step..

my Mobile is:-

Samsung Galaxy Pocket Neo Duos GT-S5312

OS:- Jelly Bean

Android Version:- 4.1.2

Baseband ver:- S5312DDAME4


kERNEL vERSION:- 3.0.15-1189709
se.infra@SEP-67 #1
Thu May 9 19:54:31 KST 2013

Build No:- JZO54K.S531212DDAME4





NOW PLEASE HELP ME TO OVERCLOCK MY PHONES CPU THANKS IN ADVANCE....