Maybe in small numbers, they have initiated the training but you are right over usefulness seems pretty limited at this point of time.
Female snipers played a huge role since the second world war ....
Female fighters even played an active role in the middle east wars...like a chunk of kurdish fighters consisted on women. Israeli forces have a good percentage of women since it's mandatory military service.
and this is due to their low populations which is why they had to employ women. India doesn't have that issue since we have scores of men who are ready to join the forces. It's better to use those funds and resources training men who can be effective in battles over utilizing women. The state of UP alone has population almost as much as pakistan with a high inequality in their sex ratio
Also, snipers are tortured the worst if caught. Imagine women snipers being caught...not to mention, public reaction on the death of women soldiers during such ops