The airport in Zhengzhou cancelled 260 flights into and out of the city, and local railway authorities also halted or delayed some trains.
Rains that have been lashing the city and its surrounding areas for more than a week have resulted in heavy inflows into the Himayat Sagar.
Officials are advising the residents in the vicinity of the tank to be alert and not to venture into the Musi River water force areas.
Thousands of people remain homeless after their houses were destroyed or deemed at-risk by authorities in Germany.
The maximum temperature recorded in the city on Friday morning was 29.2 degree Celsius, which is at least two degrees less than normal.
After Wednesday night's rains, parts of GHMC LB Zone, which include residential localities in Saroornagar, Nagole and Hayatnagar were inundated.
The highest rainfall of 145.3 mm was recorded in Kathalapur mandal, resulting in swollen streams, rivulets and ponds that started overflowing.
Bandlaguda, Uppal received the maximum rainfall of 212.5 mm, followed by Vanasthalipuram, which witnessed 192.3 mm rain. Kapra, Serilingampally, Khairatabad, Golconda and Marredpally also experienced moderate rains.
Several localities in the city, including Marredpally, Vanasthalipuram, Secunderabad and Musheerabad received heavy rains overnight.
Dharamsala, some 250 km from the state capital, recorded the precipitation of 119 mm, the highest ever in this monsoon.
Indian Meteorological Department has issued a two-day Orange warning for July 11 and 12, for many districts
Minimum temperatures on Thursday come down to 21.2 degree Celsius, which is at least two degrees less than normal
Patancheru received the maximum rainfall of 41.1 mm, followed by Golconda, which witnessed 37.3 mm rain.
Monsoon refers to a system of winds in the tropical regions under which the direction of winds is reversed completely between the summer and the winter seasons.
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