Mahendra Hills in the East was developed during mid and late 1990s, comprising 6 sub colonies (residential societies) - namely Trimurthy, Dhanalakshmi, Balamrai, Shantiniketan, Ravi and Santosh colonies.
Mahindra Hills is also a location for many retired film barons, stars, business families, doctors and the like. It used to be very different even 10 years back with a high crime rate but due to recent urban developments and the gentrifying of the area,things have substantially improved.
Mahindra Hills is also the location of the Buddha Vihara which was inaugurated in 2003 by his highness the Dalai Lama. - Wikipedia
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https://en.wikipedia.org/wiki/Marredpally