The correct option is B 1609 AD
In 1609 AD, Sri Guru Hargobind Ji constructed the Akal Takht.
The Akal Takht means the throne of the timeless one. A takht is a seat of power that the Sikhs believed in. The Akal Takht is one of five takhts of the Sikhs. It is located in the Harmandir Sahib in Amritsar, Punjab.