Shakuni is considered a villan in Mahabharat, some one who was responsible for Vinash of Kuru Vansh. But y was he after Kuru Vansh when her own sister was maharani of Bharat Varsha at that time. A story many dont know.

When Gandhari was born in her a Kundli there was a yog that her first husband would die & 2nd one would survive. Hence Gandhari's first marraige was done with a goat was later sacrificed removing the dosh in her Kundli.

Gandhar king got the proposal of Dhritrashtra for Gandhari. Gandhari got to know about blindness of Dhritrashtra & yet accepted the marraige proposal to keep the word of her father. Shakuni was unhappy with her beloved sister marrying a blind king.

After marraige when Dhritrashtra got to know that Gandhari had the Mrityu dosh in Kundli, the army of hastinapur attacked the Kingdom of Gandhar & making all male members of Gandhar vansh bandhis.

The Gandhar King's family was hardly given anything to eat with one serving of rice to entire clan. The family decided to feed their heir Shakuni who cud live & destroy the Kuru vansh.