Slight elevation of indirect billirubin

Hello Doctor,

I had a gallstone operation (lapcholi) on 21st July'2011. recently I did a LFT and here is the result -

Total Protein -7.6 g/dl
Albumin - 4.4 g/dl
Globulin - 3.2 g/dl
A/G ratio - 1.4
Total Bilirubin - 1.0 mg/dl
Direct Bilirubin - 0.1 mg/dl
Indirect Bilirubin - 0.9 mg/dl
S.G.O.T [A.S.T] - 21IU/L
S.G.P.T [A.L.T] - 32 IU/L
Alkaline Phosphatase - 47 IU/L
Gamma GT - 17 IU/L

The report says the normal range for indirect bilirubin is 0.2-0.7 mg/dl whereas in my case its 0.9.

Is there anything to be concerned? What should be done for this? What can I do to bring it back to the normal level?

Thanks in advance.