Hello Renjith,
What Mobile device did you use for testing? Is it the same as the devices at other sites that also use this ITSMobile service? Could they be using different browsers with these Devices?
A view source of the screen in question(via a desktop browser) should give information on the width and heights of the screen template been sent to the handheld device's browser?
What are the current parameters of your ITSMobile service XXXX in SICF?
Regards,
Oisin