Default Need kitkat rom or any custom rom for xolo q600

My phone specs below !!!

Manufacturer: XOLO
Model: Q600
Android: 4.2.1; eng.pub3.1373452608; SDK17
KERNEL: Linux version 3.4.5 (pub3@linux-compiler-05) (gcc version 4.6.x-google 20120106 (prerelease) (GCC) ) #1 SMP PREEMPT Wed Jul 10 18:36:08 CST 2013
Display: 854 x 480; DPI: 240; Evaluated Size: 4.1"
Touch Screen: Multitouch 5 points
GPU: PowerVR SGX 544MP; Imagination Technologies; OpenGL ES-CM 1.1; OpenGL ES 2.0 build 1.9@2204701
RAM: 512 MB (484 MB available)
Flash: 4 GB (3.618 GB actual); 16 GB (14.837 GB actual)
Processor: 4 cores; ARMv7 Processor rev 2 (v7l); Max: 1209.0 MHz; Min: 497.2 MHz

Plz help me