Default hard reset problem

My android tablet is PARA7Phone which is china tablet. Recently i installed busybox in xbin(my tab is rooted). Then i restart my tab. After restart it do hard rest. When i see internel storage it show 0.00B . Now when i restart my tab eveytime it do hard reset. Accidently i deleted busybox from xbin. What can i do to fix this problem...? Plz help me....
Information about my tablet:
Model number: PARA7Phone
Android version: 4.0.4
Baseband version: unknown
Modem: +CGMR: M662Q_1220_HQS51000_V007
Kernel version: 3.0.8+
Build number: PARA7Phone-20130618