Twelve Kasauti pillars in the disputed sturcture were the clear proof that the mosque had been built after demolishing a temple because the pillars s… - Acharya Kishore Kunal

In 1855-56 Mirza Jan wrote a book ‘Hadiqa-i-shuda’ wherein he claimed thus.. The mosque of Ram Darbar was built by Fedai Khan. It has been damaged by the infidels who have torn the two minarets and the wall. During the days of Amjad Ali Shah, orders had been issued for its reconstruction. But with his sudden death, he took this wish along with him, while the Qila Masjid was given to the Mahant of the Qila as muafi. The mosque has been converted into a house. The possession of mosques under the Hindus is well-known... Svargadvāra temple is called the Rāma-darbar by the Urdu writers of the second half of the 19th century. Thus, from this testimony of Mirza Jan it is known that Fedai Khan, the Governor of Awadh had demolished the Svargadvar temple and constructed a mosque thereon. ... It appears that he demolished all the three temples at Ayodhyā in 1660 A.D. Since the Svargadvar temple was the most magnificent, it is specifically named and other temples are clubbed together. It has been argued earlier that had the Janma-sthāna temple been demolished in 1528, there was no reason to keep the Svargadvar temple unmolested then because it stood at a short distance from the Janma-sthana temple. So all the three temples were demolished by the marauding militia men of Fedai Khan in 1660 A.D.

We are of the view that at Ayodhyā at least three temples existed till 1660 A.D. Fuhrer had found an inscription in the debris of Tretā Kā Thākura mosque which had been built by the order of Aurangzeb after demolishing a temple built earlier by Jayachandra in the V.S. 1241, i.e. 1184 A.D. The magnificent Svargadvāra temple, too, was demolished and an impressive mosque was built there by the order of Aurangzeb. There are many sources to confirm this fact.

Fedai Khan, who was Aurangzeb’s foster brother and favourite on account of Fedai’s unflinching support to him in the war against Dara and his worthy son Sulaiman Shukoh, was made Governor of Ayodhyā in August 1658 and it was Fedai Khan who demolished all the three temples at Ayodhyā, viz. Svargadvārī, Tretā Kā Thākura and Rāma-janma-bhūmi temples and built mosques at all the three places. Svargadvari temple’s demolition by Aurangzeb has been mentioned by Joseph Tieffenthaler, C. Mentelle, Mirza Jan and many subsequent Muslim authors. The demolition of Rāma-janma-bhūmi temple by Aurangzeb has been mentioned by Tieffenthaler (1670 A.D.), Mentelle (1800 A.D.) and J.R. M’culloch (1842 A.D.). The perception that Aurangzeb demolished Rāma-janma-bhūmi temple was prevalent during the visit of Buchanan also.