Rupani, of the BJP, retained the Rajkot West seat by defeating his nearest rival Indranil Rajyaguru of the Congress by a margin of 54,300 votes.
Parrikar took to Twitter to congratulate Rupani soon after the counting trends showed the BJP is heading towards retaining power in the state.
"Congratulations to CM @vijayrupanibjp for an impressive victory in Rajkot West," said Parrikar.