Greatness of Gaya:
1.
Gaya Overview
(Vayu Purana - 105)
(Penance of Gayasura, Gayasura offering body for Yagna, Dharma Shila on Gayasura, Yagna of Brahma on Gayasura, Gadadhara on Gayasura, Gadadhara as Phalgu-Teertha with devas, Sharaddha and Pinda-Dana in Gaya.)
2.
Penance of Gayasura
(Vayu Purana - 106)
(Gayasura performed penance and attained great Purity as boon.)
3.
Gayasura offering his body for Yagna
(Vayu Purana - 106)
(Lord Brahma asked Gayasura for his body to perform a Yagna. Gayasura offered his body for the Yagna.)
4.
Lord Brahma performing Yagna
(Vayu Purana - 106)
(After Gayasura offered his body, Lord Brahma performed the Yagna.)
5.
Lord Brahma trying to steady Gayasura
(Vayu Purana - 106)
(After completion of the Yagna, Lord Brahma fixed a sacrificial pole on Gayasura (to permanently fix his body). Gayasura started moving. Lord Brahma tried various means to steady the body of Gayasura, but Gayasura still moved.)
6.
Lord Vishnu and Devas steadying Gayasura and giving boons
(Vayu Purana - 106)
(Lord Vishnu steadied Gayasura with his Gada and came to be known as Adi-Gadadhara. Other Devas stationed on Gayasura. Gayasura asked the boon of Gaya Kshetra after his name.)
7.
Lord Brahma cursing brahmanas
(Vayu Purana - 106)
(Lord Brahma offered various items to the brahmanas and told them not to beg from anyone. When they still begged out of greed, Lord Brahma cursed them.)
8.
Location of the body of Gayasura
(Vayu Purana - 106)
(The shira (head) of Gayasura is in Gaya (Gayashira), the nabhi (navel) is in Viraja mountain, and the pada (feet) is in Mahendra mountain.)
9.
Story of Dharma Shila
(Vayu Purana - 107)
(Story of how Dharmavrata became Dharma Shila. the holiest object on the earth.)
10.
Story of Adi-Gadadhara
(Vayu Purana - 109)
(The Gada was made by Vishwakarma with the bones of demon Gada. Lord Vishnu wielded it to kill demon Heti and became known as Gadadhara. Later on, Lord Vishnu stood on the Dharma Shila with that Gada to make Gayasura steady. Thereby he became known as Adi-Gadadhara.)
11a.
Various Teerthas of Gaya
(Vayu Purana - 108 to 112)
11b.
Great personages performing Shraddha in Gaya
(Vayu Purana - 111 to 112)
11c.
Gaya Shraddha sequence
(Teerthanka - Gita Press) (Vayu Purana - 108 to 112)
12.
King Gaya relieving brahmanas from curse
(Vayu Purana - 112)