Regarding root of my device samsung galaxy star pro gt S7262 i cant root my device   after using odin drivers too
my problem is in recovery mode it is not showing the option install from zip
it is showing only 4 options they are 1 .reboot device  2. install update from adb  3. factory reset   4. wipe cache partition 
 so plz help how could i root my device
The problem you are really facing is that you are still using the stock recovery. Flash a custom recovery.



With credits to ItsAnilSingh from xda-developers. He is the creator of the recovery and posted the installation steps.