The Gayatri Mantra is a sacred and powerful mantra in Hinduism, and its recitation, known as "Gayatri Mantra Jaap," is considered to be a highly beneficial spiritual practice.

To perform the Gayatri Mantra Jaap, follow these steps:

1. Find a quiet and peaceful place to sit comfortably.
2. Close your eyes and take a few deep breaths to calm your mind and relax your body.
3. Place your hands on your knees, palms facing up, in a receptive posture.

4. Begin to recite the Gayatri Mantra aloud or silently to yourself. The mantra is:

   Om Bhur Bhuvaḥ Swaḥ Tat-savitur Vareñyaṃ Bhargo Devasya Dhīmahi Dhiyo Yonaḥ Prachodayāt

   (Translation: "We meditate on the glory of the Creator; Who has created the Universe; Who is worthy of Worship; Who is the embodiment of Knowledge and Light; Who is the remover of all Sin and Ignorance; May He enlighten our Intellect.")

5. Repeat the mantra for a desired number of times. Traditionally, 108 recitations are recommended, but you can choose any number that feels comfortable to you.
6. After completing the recitation, sit quietly for a few moments to absorb the energy and vibrations of the mantra.