First be sure your body, hands are clean and start with positive mind frame.
Be sure that the Yantra is placed such that you would be facing east while worshiping it.
Light a diya or jyoti in front of Gayatri Yantra.
If it is possible then put some (2-3) fresh flowers in front of Yantra.Chant the Beej Mantra provided with the Yantra 108 times. If you are unable to read Sanskrit read Hindi or English Translation, all have equal effect.
Now conclude your worship by sincerely asking the Yantra, in spoken words, to grant you whatever your heart desire.
Yantras are spiritual conductors of cosmic energy that should be worshipped on a regular basis. They help to bring about the desired effects in a quicker manner. However, since the cosmos works on the principle of cause and effect, only if karma permits can one enjoy the full destined fruits. Otherwise, one has to work out the due karma stored from the past. However, yantras radiate positive energies that shape one`s thought patterns thereby improving the life for the better and elevating it to another level.
The Vyapar Vridhi Yantra is a Yantra that brings good fortunes, distinction and expanded riches, benefit or wage.
It is a standout amongst the most favorable Yantras that can be utilized for the joined love of Lord Ganesha, the God of Success in All Ventures and Undertakings and Goddess Lakshmi, the Goddess of Wealth and Prosperity.