Vasudeva,
as far as Corolla and Civic go in the US market, the Civic beat the Corolla in each of the last 5 years as far as I know (in other words, the older Civic had also trumped the current Corolla Altis in India when it was newly launched). See below figures for 2006. Please also realise a significant chunk of Corolla sales is to fleet sales of car rental companies whereas in my limited experience, I did not find a Civic at Avis or Enterprise.
Wrt car sales, in Mar'07, Autocar says Innova and City sales both top 5000 (Innova being slightly higher) ...
Regards,
2006 Top 10
[FONT=arial][SIZE=2] 1.
Ford F-Series [/SIZE][/FONT] [FONT=arial][SIZE=2] 796,039 [/SIZE][/FONT] [FONT=arial][SIZE=2] 2.
Chevrolet Silverado [/SIZE][/FONT] [FONT=arial][SIZE=2] 636,069 [/SIZE][/FONT] [FONT=arial][SIZE=2] 3.
Toyota Camry [/SIZE][/FONT] [FONT=arial][SIZE=2] 448,445 [/SIZE][/FONT] [FONT=arial][SIZE=2] 4.
Dodge Ram [/SIZE][/FONT] [FONT=arial][SIZE=2] 364,177 [/SIZE][/FONT] [FONT=arial][SIZE=2] 5.
Honda Accord [/SIZE][/FONT] [FONT=arial][SIZE=2] 354,441 [/SIZE][/FONT] [FONT=arial][SIZE=2] 6.
Honda Civic [/SIZE][/FONT] [FONT=arial][SIZE=2] 316,638 [/SIZE][/FONT] [FONT=arial][SIZE=2] 7.
Chevrolet Impala [/SIZE][/FONT] [FONT=arial][SIZE=2] 289,868 [/SIZE][/FONT] [FONT=arial][SIZE=2] 8.
Toyota Corolla [/SIZE][/FONT] [FONT=arial][SIZE=2] 272,327 [/SIZE][/FONT] [FONT=arial][SIZE=2] 9.
Nissan Altima [/SIZE][/FONT] [FONT=arial][SIZE=2] 232,457 [/SIZE][/FONT] [FONT=arial][SIZE=2] 10.
Chevrolet Cobalt [/SIZE][/FONT] [FONT=arial][SIZE=2] 211,449[/SIZE][/FONT]