In response to the CM's congratulatory remarks, Maken thanked him on Twitter, saying, "As a parent, both of us know that nothing can be as joyful as basking in the reflected glory of academic accomplishments of our children!"
Earlier in the day, the Delhi Pradesh Congress Committee (DPCC) chief said on the micro-blogging site that his son Aujaswi had got 95 per cent marks in Class 10 CBSE examination.
"Proud to share, that my son Aujaswi passed his Xth exam scoring 475/500 marks! A perfect 95%! He is truly following the footsteps of his academically bright and illustrious sisters! Proud of them all! (sic)," Makan said on Twitter.
Kejriwal, who is also Aam Aadmi Party's national convenor, took the opportunity to congratulate Maken's son.
"Congratulations to the boy Ajay Maken ji. May Aujaswi do well in life and may God fulfil all his dreams (sic)," he tweeted.
Maken had earlier termed the Class 10 CBSE examination results of Delhi's school as "worst" in past one decade and slammed the Kejriwal government.
The Delhi Congress led by Maken has been a bitter critic of Kejriwal and his policies. Also, Kejriwal has slammed Maken on several occasions in the past.