Here is a list of top and emerging Indian Classifieds sites - you can post your advertisement free on most of them. Strongly recommended for local businesses and SEO, this Indian Classifieds sites list was updated in 2011 so you might find some new and fresh sites in this list.
http:// webindia123.com
http://classifieds.byindia.com/
http://classifieds.ivarta.com/
http://classifieds.rediff.com/
http://classifieds.sulekha.com/
http://indiadynamics.com/
http://www.adeex.in/
http://www.adoos.in
http://www.adsmantra.com/
http://www.allindiaclassified.com/
http://www.baajaa.com/
http://www.bechna.com/
http://www.classifieds.co.in/
http://www.click.in/
http://www.clickindia.com/
http://www.craigslist.co.in/
http://www.digitalbhoomi.in/
http://www.goforads.com/
http://www.indiagrid.com
http://www.indialist.com/
http://www.indianclassifieds.com/
http://www.indianflyer.com/
http://www.indnav.com/Classifieds
http://www.khichdee.com/
http://www.khrido.com/
http://www.kugli.com/
http://www.locanto.in/
http://www.meramaal.com/
http://www.olx.in/
http://www.prachaar.in/
http://www.quikr.com
http://www.vivastreet.co.in/
www.classifiedneeds.com
www.indiaboard.com
www.thisismyindia.com/free_ads/
If you are looking for result-oriented SEO, contact me for ethical SEO and website design services. There are no second hand measures here, what we do others follow!