Karbonn A21 - available at Rs. 7200/- 1.2GHz, Dual-Core, 5MP camera, 3G
It has 1.2GHz Dual core - Qualcom snapdragon chipset. Good value for money mobile.
Micromax A110 Superfone Canvas 2 - available at Rs. 9500/-
Micromax A110 is 1GHz, DualCore, with 8MP rear camera and yes, it is a 3G phone.
Both the mobiles hav a resolution of 480x800 (or 800x480 - if you use the phone horizontally) and yes, both the mobiles have SD card slot.