Assertion: okhla barrage | /r/HasProperty | okhla weir
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text: The Okhla barrage (Okhla Weir and Okhla bridge), is 791 meters or roughly 800-yard long weir across Yamuna River opened in 1874, is today the location of Okhla Bird Sanctuary 10 km to the south of New Delhi and downstream of Nizamuddin bridge at Okhla, where Agra canal originates from it.