New Delhi Unhappy with the minimum penalty norms in Coal India’s fuel supply agreements (FSA), the power ministry has approached the coal ministry to change the disputed clauses.

‘‘We are trying ... we are taking up this issue with Coal India and ministry of coal. Disincentives are not there for three years and after three years penalty is only 0.01% ... we would want it to be changed,’’ power secretary P Uma Shankar told reporters here.