How to access intenet in left side network. shown in topology

Dear @atulsharma Sir & All,

Please help me out how can we access internet in my left side network shown in topology.
Lap URL: http://racks.nwkings.com:8103/legacy/CCNA/ACL.unl/topology.

i am able to access internet in my right side network as NAT Configured, and both side network communicating each other. done static routing.

What configuration i am missing to access internet in left side network. pls help…!!!