From below carb pipe fuel leaking..
Please give advice what should I do ..
Which pipe ur talki bhai the thin transparent plastic one or the thick grye or black rubber one which connects with engin. A pic will help.
If it is the thin pipe which is connect to the carb' bottom most side and has a loose end which is just hanging. Than check there is a small screw just where it is connected to the carb see if it is open if yes close it leakage will stop if not get the carb checked. This pipe is called overflow pipe.
Or if the thick rubber pipe is leaky than check it for loose connection and cracks if it looks worn out just replace it.
Also note some bikes dont have a overflow pipe insted just the open nipple at the bottom of carb with a screw to drain the carb .