Yezdi Road King bike petrol tank leak problem

I was went to work from one city to another nearly a 100 km run in which i took 4 litre petrol to make this bike charged up. But at the time when i drove around 50 kms in the middle of a highway i just encountered my fuel tank was leaking. I stop and when i look below there was a a hole in my fuel tank i rush up to a nearest mechanic where he told me that it can be repaired via welding.

After welding leakage stop but it again started when i came back to my hometown. This is seriously not good and i am totally fed up with it.

I think the welder didn't weld it properly so it's better if you go on any other service center and repairs from there.