Only sparkling wines made in the region of Champagne, France are allowed to be called Champagne. Sparkling wine made elsewhere (India included) have to call themselves sparkling wine. So to answer your question, the difference between Indian sparkling wine and Champagne is where the sparkling wine was made.
Sparkling Italian wine is called Prosecco.
No, despite the urban legend, sparkling wine and still wine will affect you equally.
For Sparkling wine it is sealed in its container to allow the natural gases to make the wine sparkling. Still wine allows the gases to escape and a wine that still has gases is credited with not being ready to drink yet.
Champagne is a sparkling wine
That depends how religious you are. Orthodox Jews NEVER buy anything non-kosher. Yes, kosher wine can be stored in the same place as non-kosher wine as they're in sealed bottles.
If you mean truffles infused with wine, it would be kosher if the wine is kosher (and the processing pots or vessels had not previously handled non-kosher foods).
Ballatore is a spumante, which is a sparkling wine. Did you know: Champagne is also a sparkling wine. However, only sparkling wines made in the region of Champagne, France are allowed to be called champagne. Otherwise they have to call themselves sparkling wine (Italians call it spumante).
The wine has to have kosher symbols and rabbinical supervision.
SPARKLING WINE
The Esperanto words for champagne and sparkling wine ĉampano and ŝaŭma vino.
Anyone can become an alcoholic whether wine is kosher or not.