Bankelal is the son of a farmer named 'Nanku'. His mother's name was 'Gulabati'. The couple didn't have any children. Gulabati was a devotee of Lord 'Shiva' and a child was offered to them as a blessing from the Lord. They named the child Bankelal.One day Lord Shiva visited Bankelal's home with his consort Parvati. His mother offered them a glass of milk unaware that her naughty child had put a frog in the milk ! When Lord Shiva discovered this he put a curse on Bankelal that if ever Bankelal tried to harm anybody, the person would be blessed with good results and some part of that would also be 'rubbed' on to Bankelal.