Complex sentence: A "mandap" (marriage booth) is built around the courtyard of the house where the Tulsi plant is usually planted in centre of the courtyard in a brick plaster called the "Tulsi vrindavana".
Split into simpler sentences: A "mandap" (marriage booth) is built around the courtyard of the house where the Tulsi plant is planted. The Tulsi plant is usually planted in centre of the courtyard in a brick plaster called "Tulsi vrindavana".