On succesfully completing your Bsc physics course, you can opt for various jobs in both public and private undertakings.You can apply for government jobs in organisations such as DRDO,ISRO,SSPL etc. You can even get into the banking and finance sector. All of them boast of a payscale reasonably good for a graduate.You can also go for advanced research in accredited research laboratories.
You could also, if you wish, pursue higher studies in physics, including MSc.You will gain expertise and then be able to bargain for better  pay packages.