right, Advertisment , the rule is simple: once the person already has any type of VALID visa, same type of visa cannot be obtained. Each type of visa has its period of validity. For Work visa it's 6 month. So if you don't enter Qatar during this time your visa will be simply expired. If you want to come earlier on another company's Work visa, ask your current sponsor to cancel your valid work visa, this can be done easily.
right, Advertisment , the rule is simple: once the person already has any type of VALID visa, same type of visa cannot be obtained. Each type of visa has its period of validity. For Work visa it's 6 month. So if you don't enter Qatar during this time your visa will be simply expired. If you want to come earlier on another company's Work visa, ask your current sponsor to cancel your valid work visa, this can be done easily.