Answer to "How can I separate the glass and LCD display?"Hello, I was able to separate digitizer from lcd, my digitizer cracked so I buyed the diditizer eBay and after one hour figurating the best way do it I did repaired my Nexus 7.... now is like new..... but is not really easy and you can damage the lcd doing the repair. good luck!
Answer to "disassemble screen out or LCD Digitizer out of last plastic surndng"Hello Pankaj, The digitizer is installed OVER the bezel, the LCD element comes under the bezel, from "the inside part" I'll see tonight if I can add some pictures so I can explain it, but is easy to do. regards