Ask machine shops near Radio Pk, I used to use Salman engg for all jobs, he can tell you which shop does block welding, but it wont be cheap in any way.
Thank you so much . I am going to buy a complete engine from a trusted person tomorrow early morning . We may get all the way done by the end of sunday . there will be a lot to be done I am sure. I will keep you guys well updated InshaAllah. Thanks