All of us have heard or read about income tax raids on film stars, e.g. Manoj Kumar. I don't remember hearing about Lata Mangeshkar's income tax problems. Luckily, there is a website now where you can search for cases all over India by typing any name. On typing Didi's name more than 100 entries show up. But beware, a lot of them refer to people admitted to Lata Mangeshkar Hospital and have nothing to do with her. But, there are plenty of cases involving her. Most of them her suing the Incom Tax depet. or vice versa. Here is an early case. It was a petition to dismiss penalties for filing income taxes late. Nana Palkhivala fought on her behalf. She lost the case as the petition was dismissed!
Now you know!