Sounds similar to my experience. I've dealt with several Indian teams over my career and they ran the gamut of talent. A few were REALLY good, I often wondered why they were wasting their time working for us honestly. Most were average at best, but at least they didn't cause much if any harm. Some were freaking dangerous and shouldn't have been allowed anywhere near a computer. You'd think that these guys would be the first to get let go, but they always seemed to hang around the longest. The dumbest one I ever met turned out to be married to a higher up's daughter which explained a lot (glad to see that giving cushy jobs to idiot relatives isn't just a US thing).
The biggest issue I ran into when dealing with Indian teams is the complete lack of problem solving. If something didn't go exactly according to script, they were lost. We once lost a whole week's worth of work because the India team ran into a text prompt that wasn't 100% the same as the one in the instructions and instead of either contacting us immediately or putting two and two together and figuring out that the gist of the prompt was the same, they sat there twiddling their thumbs until the next weekly status meeting so they could ask us about it. Sadly this is a reoccurring theme with most of our Indian people.