Time spent on this section will be well spent, as it does reflect on your capabilities. Keep on enhancing your skills. Just because you have finished college does not mean you should not or cannot learn more. Take short-term courses that you feel are relevant. The time invested in enhancing your skills reflect on your inclination towards doing better.
Employers look for persons with such a bent of mind, as personal growth benefits the workplace too.
The most common method employed is scanning the print medium advertisements. One should make it a habit of going through a variety of newspapers and magazines. There are both state run agencies and private placement agencies where you can leave details about yourself. State run employment agencies do not charge anything for their services, however the ratio of job seekers to the number of job openings available with them is very disproportionate. A job seeker stands better chances at private placement agencies.