1500-1650: From the years 1500 to 1650 the Qutub Shahi kings had created durgam cheruvu which today is located between Jubilee hills and Madhapur.
2000: In the early 2000s, if one were to visit the lake, they would be greeted with the sight of families and friends in boats, rowing in the water, while some people would sit on the rocks along the lake and fish.
2001: As of December 2001, the Andhra Pradesh Tourism Development Corporation (APTDC) was planning to introduce five more boats in the lake, to keep up with the demand of tourists and visitors.
2002: Despite this, in 2002, the lake faced a "choking" threat, when the Tourism Department cut off an important channel that fed the lake, by building a bund. At the time, reports suggested that a number of houses continued to come up, right on the lake bed within the FTL area.
2003: The state took a step in the right direction and gave the lake and its surroundings a face lift.
2004: In September 2004, two researchers with the Centre for Economic and Social studies (CESS) submitted a paper titled 'Impact of Urban Growth on Water Bodies, The Case of Hyderabad'.
2005: By 2005, a proposal to build a sewage treatment plant (STP) for the "highly polluted" Durgam Cheruvu was announced.
2006: In 2006, water started entering the parking lots and ground floors of nearby residential areas, during the rain, with a layer of stagnant sewage on the lake, which became a breeding ground for mosquitoes.
2007: Then chief minister YS Rajasekhara Reddy formally inaugurated the five Megalitre per Day (MLD) sewage treatment plant at Durgam Cheruvu in 2007.
2008: In 2008, the Andhra Pradesh Industrial Infrastructure Corporation (APIIC) was alleged to be guilty, after it built a road that intruded the buffer zone and the FTL mark of the lake.
2009: By 2009, the area around Durgam Cheruvu had towering skyscrapers and many ambitious construction projects in the making, with each new construction trying to outdo the previous ones in terms of architecture and grandeur.
2010: In 2010, the HMDA stepped in to try and protect the lake and announced that bio-remediation measures would be taken up.
2011: By 2011, the aquatic life had almost disappeared. The massive discharge of sewage saw the water level of the lake remains high throughout the year, instead of receding in summer. This, in turn, caused flooding, when the rainy seasons arrived, as the same treated sewage would enter homes lying close to the lakes
2012: In 2012, following orders of the High Court and AP Lokayukta, the government stated that the lake would be cleaned up and made pollution free.
2013: By 2013, nearly 100 million liters of sewerage was flowing into the Durgam Cheruvu every day, with residents struggling to breathe due to the foul smell emanating from the lake.
2014: In 2014, a survey revealed that 20 multi-storey buildings had come up in violation of the rules, between 2010 and 2014 and that the lake had shrunk to 80 to 90 acres.
2015: In August 2015, a committee found that 60 acres were reported to be encroached, with the value of the encroached land worth almost Rs.1,500 crore.
2016: Areas around the lake, are a realty hotspot as it is now considered one of the 'poshest' areas in the city to live in.
