A few months ago, the grocery store Dana Bazar on Mowry and Blacow in Fremont became New India Bazar, which owns a bunch of grocery stores locally. But chaat counter is still operated by the same people as before and to my knowledge remains, along with its sister Chatpata Corner (a dedicated restaurant ran by the same folks in Newark with a slightly expanded menu; channa bhatura, paranthas, and a daily thali), the only place to get good pani puri in the Bay Area. The other chaat is also great, and as good as anything I know locally. (Where they overlap, they're much better than Vik's, e.g.)
Two things have changed since DB became NIB:
1. The chaat counter is now open Tuesday through Sunday (it used to be closed Tu-W).
2. The grocery store sells fresh sugar cane juice. It's $2.99, made to order (there's a machine near the front of the store; it's not connected to the chaat counter folks), and they have ginger, lime, and black salt for it.
I had the sugar cane juice tonight for the first time (on two previous trips I couldn't get it; possibly because I usually come in near closing time). It was pretty good, but it was much less sweet than I expected from previous experience in India and Indian and Vietnamese places in southern California. I don't know how much variation there is in the cane, so I'll try it again and hope it's better. But as it is, not bad.
5113 Mowry Ave, Fremont, CA 94538