dear mere pass toyota belta hai or one year se koi problem nahi or ab mere tank se fuel drops aarahe hain or maine plunger b check kerwaya hai wo theek hai or phir b fuel nikal raha hai or ander gas paida horaha hai ab mujhe sugges karain k main kya karon fuel plunger change karon ya phir fuel tank ki cap ???????
If fuel tank is leaking then there is very simple solution.Apply "magic paste" on it and it will stop the leak.
after that i hope your problem will be solved.But if not, then you can go for other options.