What is model number of my ram and type Name: Lenovo Type: notebook Model: V470 Searies: v seris Buyed from: UAE?

No one can guess what ram you have.
Try a utility like CPU-Z, which can read your ram and display the vendor and model of ram stick, along with the timings of the existing ram. To add ram, you should use identical timings.
http://www.cpuid.com/cpuz.php

Go to the crucial website and run the memory scanner tool, it will analyse your system, tell you how much, and what type of memory you have, and the maximum allowable
http://uk.crucial.com/gbr/en/systemscanner
HTH