Lava came in india in 2009 and it is having 1500service centers in all over india. So it is not hard to repair your lava mobile if there is any problem in your mobile the customer service authorsities can also be contacted through this number 0120 463 7333
I have used lava mobile for a year and this one year I did not faced any technical problems in lava mobile untill I accidentally cracked its touchpad: D
Lava x3 is a great phone with awesome configuration
2gb RAM
8MP CAMERA
2500MAH BATTERY
5INCH SCREEN
etc
So buy and enjoy
Goodluck