Correct Answer : Kanchenjunga
Everest is the highest peak in the world, but it is located in Nepal, K2, the second highest is located in Pakistan-China border belongs to the Karakoram range of mountains (it is not a peak), while Kanchenjunga is the third highest located in the Indo-Nepal border. Cardamom Hills is not a part of Himalayas, it is located in South India.