1. There are same tag no in different P&IDs. We will require unique tag nos. So you have to modify P&IDs accordingly. 
 
2. Please provide the process details shown in Yellow Cells for a sample instument which is marked as "*" in Sr. No. Column. 
 
3. I have considered Pressure Gauges and Vacuum Gauges as well. I am not sure if these are in Technoforce's scope or Client's scope