Schumacher, who will bid adieu to the sport for the second time after this season, had finished fifth just ahead of Rosberg in the last edition, won by Red Bull's Sebastian Vettel.
"The Formula One debut of India last year was certainly a success. There were a surprising amount of fans during the weekend, and the track itself really is cool. We drivers were given a very enthusiastic reception, and it will be interesting to see if this enthusiasm has remained as strong," Schumacher said.
Rosberg said he liked the way they were treated last year and hoped for more good memories in days ahead.
"Last year I was really impressed by the passion and friendliness of the Indian people so I'm looking forward to visiting again and having some more interesting experiences. I hope that I will have a bit more luck than recently next weekend, and I will have the chance to achieve a good result," Rosberg, who will be joined by Lewis Hamilton, said.
"The Buddh International Circuit is very challenging with an interesting combination of slow speed corners and long fast straights. The track also has one of the highest average speeds in Formula One and is good for overtaking," he added.