IIT-Madras to map Golconda’s Bagh-e-Naya Qila

Details :

The News:

  • The Archaeological Survey of India (ASI) and Indian Institute of Technology-Madras (IIT-M) will carry out mapping of the Bagh-e-Naya Qila inside the Golconda Fort using Ground Penetrating Radar (GPR) technology.

Background

  • The Naya Qila garden inside Golconda Fort was built during the Qutb Shahi rule (1518-1687).
  • The Naya Qila area also has multiple chabootras (raised platforms) which are remains of garden structures that pre-date the Qutb Shahi rule.
  • An earlier excavation unearthed gold coins in the area where the golf course has been created.
  • Further in 2014, the ASI discovered water channels, settlement tanks, walkways, fountains, gravity pumps, and a host of other garden relics.
  • It should be noted that Hyderabad Gold Club wants to expand its 18-hole course into a 21-hole one by taking over some of the land adjoining the Bagh-e-Naya Qila site.

Ground penetrating radar technology

  • GPR uses electromagnetic radiation in the microwave frequency for imaging sub-surface area.
  • High frequency radio signal in microwave frequency is transmitted into the ground.
  • The material underground reflects these signals which are captured by the receiver.
  • By measuring the time taken for the signal to travel to and from the target, the depth and location of the material can be calculated.
  • Ground-penetrating radar (GPR) works around 500 MHz frequencies to detect archaeological structures.

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