Chhattisgarh CM Vishnu Deo Sai met PM Modi on Friday at the Parliament House and extended a formal invitation to him to attend the 'Amrit Rajat Mahotsav' (Silver Jubilee Celebration) of statehood as the Chief Guest on November 1 in Raipur. Marking 25 years since its formation on November 1, 2000, Chhattisgarh is celebrating the milestone as Amrit Rajat Jayanti Year.