Complex sentence: Krishnagiri is the first high-altitude stadium exclusively for cricket in South India which was dedicated to the nation by Governor Nikhil Kumar at Krishnagiri in Wayanad.
Split into simpler sentences: Krishnagiri is the first high-altitude stadium, exclusively used for cricket in South India. It was dedicated to the nation by Governor Nikhil Kumar at Krishnagiri in Wayanad.