Default OTG connection error in Spice MI 505

Hi,

I have a Spice MI 505 which has Android 4.0.4 in which i wanted to connect my pen-drive so i rooted my phone but the OTG is not being recognised by the device. I have installed Stick mount,Rom Manager,Busy box Etc but nothing works ,my device does not recognises it .I have also tried many otg cables.So please help me in rectifing this problem.