Yes dear you can pursue cs with ca by submitting 112
For fee structure refer following link
https://www.icsi.edu/webmodules/linksofweeks/REVISION%20OF%20FEES.doc
For centre address select delhi in following link
https://www.icsi.edu/webmodules/homepage/map_icsi.swf
For details on the course refer following link of CS brochure
https://www.icsi.edu/webmodules/student/Brochure/CS%20Brochure%20for%20Regular%20Course.pdf
If you register before 28 Feb, you can appear for both groups of executive programme in december 10 and after 1 year in dec 11 you can appear for all groups of final. You will also have to undergo 15 months training either after inter or final as per your choice. Now you can estimate the time period of your becoming CS.
Hoping for you blessings dear