I think at 2.5,she can very well take normal milk available in India.In India,normally everyone boils milk unlike here.Once milk is boiled,there should be no problem.If she cannot have plain milk,you can think of adding Junior Horlicks,Boost,Bournvita etc like Supriya says.
Please remember most of us have been born and brought up in India and have consumed the same milk and have survived so long...there is nothing wrong with the milk there. If you are careful and if you boil the milk in a clean vessel,you should have no problem.