Sadar is a buffalo

Buffalo

-Bovine:* African Buffalo or Cape Buffalo * American Buffalo, North American colloquial name for American Bison * Wisent, or Eurasian Buffalo...

 carnival

Carnival

Carnaval is a festive season which occurs immediately before Lent; the main events are usually during February. Carnaval typically involves a public celebration or parade combining some elements of a circus, mask and public street party...

 celebrated annually by the Yadav community

Yadav

Yādav refers to an umbrella group of traditionally non-elite pastoral communities, or castes, in India and Nepal which since the nineteenth and twentieth centuries has claimed descent from the mythological King Yadu as a part of a movement of social and political resurgence.The term 'Yadav' now...

 of Hyderabad, Andhra Pradesh, India as a part of Diwali

Diwali

Diwali or DeepavaliThe name of the festival in various regional languages include:, , , , , , , , , , , , , popularly known as the "festival of lights," is a festival celebrated between mid-October and mid-December for different reasons...

. It is also known as Dunnapothula panduga and it occurs on the second day after Diwali.

The buffaloes are decorated with garlands of flowers, their horns are painted, and they are paraded through the streets, often accompanied by dancing to the sounds of teen maar music. The animals are sometimes encouraged to rear up on their hind legs. Prizes are awarded for the best display.

The word Sadar means main. The Sadar held in the suburb of Kachiguda

Kachiguda

Kachiguda is one of the old suburbs in Hyderabad, India. The third biggest railway station in Hyderabad called as Kachiguda Railway Station built during the Nizam rule, is located here and is a major landmark.- Commercial area :...

is the biggest congregation of all.