Bachchan, 71, took to Twitter to praise the voice of the singer. "Mika Singh - voice of many a successful number, sings for me in 'Bhoothnath Returns'.. His voice always been different, languid and good!," Bachchan tweeted.
Even Mika, whose original name is Amrik Singh, said that the compliment from such a veteran actor meant a lot to him.
"OMG Thank you so much @SrBachchan Bhaji. It means a lot to me. The compliment from the Big B great actor & a great singer. God bless you Bhaji!," Mika tweeted.