Lal Darwaza of Hyderabad and Varanasi, India

India is dotted with lots of monuments of great antiquity-  Hindu temples, Buddhist temples, Jain temples, Churches and mosques and other structures including those built during the colonial period. They are located across the length and breadth of India. India is a paradise for the tourists who want see a lot of architectural varieties  and styles that bring out the  ethos of the native land. 
Lal Darwaza, Hyderabad city, India:
Lal Darwaza (Urudu or Hindi: red door) is  believed to be  one of the old suburbs  of Hyderabad city, now in the state of Telengana, South India.  During the time of the Nizams, there used to be a large impressive red door at the entrance to this suburb. It was called  Lal darwaza (Red Door). A small town developed near it over a period of time.  Built in 1907, the then Prime Minister of Nizam government Maharaja Kishan Prasad  was instrumental in introducing the Bonalu festival in the temple here. The secular ruler  to  Nizam of Hyderabad, Mir Mahbub Ali Khan was kind enough to give donations and lands to this and many other temples. Bonala Jathara ( meaning procession ) at Lal darwaza is tagged as the most  important and  biggest cultural festival in Telangana.
Lal Dharwaza, Hyderabad en.wikipedia.org
Within Lal Dharwaza lies the grave of a holy Sufi saint called Pather ki Dargha ("stone mausoleum"). This  gate at the entrance of the old suburb  is located about 1.5km and 3 km from the Central Bus Station and about one kilometer from the famous Charminar, a popular landmark in the city of Hyderabad, a major  IT center.
https://en.wikipedia.org/wiki/Lal_Darwaza


The Lal Darwaza,Varanasi UP:
Lal  Darwaza, Varavasi. www.ganeshv.com
The Lal Darwaza, one of the entrances to the famous Ramnagar fort, which is  a fortification in  Ramnagar, Varanasi, India.  It is located near the Ganga  River on its eastern bank, opposite to the Tulsi  Ghat. The creamy-colored chunar sandstone structure was built in the Mogul style in 1750 by the then  ruler of Kasi Kashi Naresh Raja Balwant Singh.  Scenically located on the eastern banks of the Ganges river, the  fort was also known as ‘Kashi naresh ka qila’ (meaning ‘the fort of the lord of Kashi’ in Hindi) Within the fort lie the Veda Vyasa Temple, a museum, the king's residential complex and  also a Dakshin Mukhi temple of Hanuman facing east. The fort was constructed on a high ground above the flood level. 
 https://en.wikipedia.org/wiki/Ramnagar_Fort

 Tit-bits: 
 Lal Dharwaza Mosque, Jaunpur, UP:
Lal Dhawaza mosque, Jaunpur, UP. varanasivideos.com

There is also a  fine, but simple  monument called Lal Dharwaza Mosque in the city of Jaunpur, UP.  Being  the smallest mosque of Jaunpur, it  was built by the then ruler Mohd Shah Sharki in 1445 for his wife Bibi Raji. It was her private mosque to do namaz. The mosque  has distinct interior as well as exterior.
http://varanasivideos.com/2019/01/07/lal-darwaza-mosque-jaunpur/