Panda robot falls in gazebo

Hello, I'm following [ROS_Control tutorial](http://gazebosim.org/tutorials/?tut=ros_control) and adapting all the instructions for panda robot. I have generated the Gazebo compatible of URDF of panda from Moveot setup assistance and i'm editing it as per the ROS_Control_tutorial. When i execute the "roslaunch panda_gazebo panda.launch" command i'm expecting that my robot gets spawned properly in gazebo but it falls down on the floor. Below is the URDF file i'm using, I have already tried changing gravity of links and added friction and damping for the joints but no luck. 00000000000transmission_interface/SimpleTransmissionhardware_interface/EffortJointInterface50hardware_interface/EffortJointInterfacetransmission_interface/SimpleTransmissionhardware_interface/EffortJointInterface50hardware_interface/EffortJointInterfacetransmission_interface/SimpleTransmissionhardware_interface/EffortJointInterface50hardware_interface/EffortJointInterfacetransmission_interface/SimpleTransmissionhardware_interface/EffortJointInterface50hardware_interface/EffortJointInterface/panda here is the [link](https://github.com/mvish7/panda_gazebo_moveit) git repository where i have uploaded all the packages. Summery of packages is:- panda_gazebo_config-- created from moveit setup assistant by choosing existing URDF file of panda robot panda_description-- all urdf files and meshes of panda robot panda_control-- controller configuration and launch file panda_gazebo-- gazebo world file and its launch file. Please help me out through this. Thanks for your time.