You cannot directly apply for a work visa without a valid job offer from a registered employer in the country you wish to work in. To apply for a work visa on your behalf, you will generally require a sponsor from a company. While certain countries offer work visa categories that will enable you to apply directly under specific conditions, others offer Job seeker visas that allow you to enter the country and look for jobs. Generally, Indians applying for a work visa can do it online through the official portal.