of the Khirki Mosque done by the ASI, which converted it into a pink monument (pictured) as distinct from the lime mortar work done in the ancient times. They pressed the ASI to re–examine the restoration procedures adopted by them for conservation works of Mughal monuments. ASI suspended the restoration works of the Mosque and held a workshop on "Use of lime mortar in ancient times" to educate their staff on proper restoration of Mughal monuments. A conservationist commented that Lime mortar survives for years but needs to be carefully prepared by using all the required ingredients in correct amount. However, to bypass the lengthy but necessary method, workers then changed the traditional mixing process – followed the world over and for centuries – to 50% lime mixed with 50% brick dust and not sand. This altered the chemical and physical properties and also made it more expensive exercise (brick dust costs more than sand). The well established correct method of preparing a lime–surkhi mortar for conservation in the monuments, in the past, involved initially burning of lime in a kiln, then slaking it under water for a month and thereafter grinding it in a mortar mill in the proportion of 33% lime, 66% sand and other additives. An ASI official conceded that Lime–surkhi was not used in proper proportion resulting in pink–coloured marks on some structures. ASI has now decided that in new restoration works, such as the Khirki Mosque, lime will be used in proper quantity. Visitor information Access to the mosque is through the narrow lanes of Khirki village near Saket, which is located in South Delhi. The mosque is on the other side of Press Enclave Marg from the Saket Citywalk Mall. The nearest metro station is Malviya Nagar. The mosque can be easily glimpsed down the narrow lanes off this main road. It is east of Qutub Minar and south of Connaught Place. The remnants of the fourth city of Delhi, Jahanpanah, the raised Bijai Mandal Platform and the Begampur mosque with its variety of domes are other attractions close to the mosque. Nearer to the mosque, there is a bridge structure of the time called the Satpula (means seven bridges), part of the Jahanpanah boundary walls. It is a sluice weir with seven arched main spans, with two additional bays at a higher level on the flanks. Recent Stories https://www.jagranjosh.com/current-affairs/asi-discovers-254-copper-coins-of-medieval-era-at-khirki-mosque-1536813918-1 Gallery References Architecture of