I also wondered about the suggestion that Empress were looking at doing a Sikh Wars range, but it only appears to have been wishful thinking on the part of some of us. If they were intending to produce a range they've left it too late as Studio Miniatures have got there first.
I wouldn't say no to Empress providing an extensive range to cover the 2nd Afghan War instead(hint, hint).
In the meantime I'm very happy with what Studio Miniatures are offering. for those who haven't seen their kickstart campaign below is a piccy of their Sikh Officers all painted up;-

They have provided a list of the British and HEIC troops they intend to supply and it looks an interesting and full list.
Below is a piccy of the greens that Stephen May has produced of the British Officers;-
