Andrew. Eureka can supply a range of C18 Indian figures, Golconda Rising, but for various reasons it is not listed on their website. If you drop Nic a line he can help you with this. The figures are A$2.95 for infantry and A$6.00 for cav.
and I've found the list they sent me
1. Bengali sepoys (variants);
2. Bengali officer;
3. Bengali drummer;
4. Bengali standard bearer;
5. Mysorean sepoys (variants);
6. Mysorean officer;
7. Mysorean musician;
8. Mysorean standard bearer;
9. Rajput officer on foot;
10. Moghul officer on foot;
11. Hindu archers (variants);
12. Hindu matchlock marching;
13. Hindu matchlock loading;
14. Hindu matchlock firing;
15. Hindu swordsmen (variants);
16. Hindu spearman (2 variants – more to come)
More will hopefully be coming apparently.