While Shah made his maiden entry to the Rajya Sabha, Irani was reelected to the upper House in the polls held yesterday.
"Congratulations to BJP President @AmitShah & ministerial colleague @smritiirani on getting elected to the Rajya Sabha from Gujarat," Modi wrote in a tweet.
The prime minister also congratulated Shah for completing three years as the BJP chief and noted that the saffron party's base had expanded during this period.
"Congratulations to Shri @AmitShah on completing 3 successful years as @BJP4India President," he said in another tweet.