@ajall
Before doing any harmful surgery in your car, please go to 3s dealership Islamabad, they will replace that part and you will free from any tension.
If you do welding then after some time when you will drive on bumpy roads, that will again broke and it will still tension for you.
To do proper work, go to Honda Classic, meet with manager workshop and tell him all the problem, they will replace that part with brand new and all work will be according to standard.