Kishore, in spite of his "no money, no work" principle, sometimes recorded free, even when the producers were willing to pay. He recorded free, for some films produced by Rajesh Khanna and Danny Denzongpa. On one occasion, Kishore Kumar helped actor-turned-producer Bipin Gupta, by giving him Rs. 20,000 for the film 'Dal Mein Kala' (1964). When the little-known actor Arun Kumar Mukherjee died, Kishore Kumar regularly sent money to his family in Bhagalpur. Mukherjee was one of the first persons to appreciate Kishore's singing talent.
'Beware of Kishore' â Journalists writing on Kishore's seemingly eccentric behavior, couldn't be blamed altogether. Kishore put a "Beware of Kishore" sign at the door of his Warden Road flat, where he stayed for some time while his bungalow was being done up. And, when the producer-director H. S. Rawail, who owed him some money, visited his flat to pay the dues, Kishore Kumar took the money, and when Rawail offered to shake hands with him, he reportedly put Rawail's hand in his mouth, bit it, and asked "Didn't you see the sign?"
"Cut" and "No Cut" - Kishore Kumar was notorious for defying producers and directors. Once, a producer went to court to get a decree that Kishore Kumar must follow the director's orders. Kishore Kumar obeyed the director to the letter. He refused to alight from his car until the director ordered him to do so. It didn't end there. After a car scene in Mumbai, he drove on until Khandala because the director forgot to say "Cut"