Final answer:
The first battle between Guru Gobind Singh Ji and the hill chiefs was The Battle of Bhangani in 1687.
Step-by-step explanation:
The first battle fought between Guru Gobind Singh Ji and the hill chiefs was The Battle of Bhangani. It took place in 1687 and involved Guru Gobind Singh Ji, the tenth Sikh Guru, facing off against an alliance of hill chiefs led by Raja Bhim Chand of Bilaspur. This battle is historically significant, as it was the first major armed conflict fought by Guru Gobind Singh Ji and demonstrated the martial spirit of the Sikhs under his leadership against adversaries like the Mughals and the hill chiefs who sought to suppress their religious freedom.