Nowadays there are many classified websites with high and quality traffics.
Here are some important classified ad sites (please check their home page ranking and domain name authority before posting an ad)
Here’s my list of the top 10 classified sites:
craigslist.org
Quikr.com
OLX.com
Classifiedwale
ebayclassifieds
Locanto.in
Click.in
sell.com
Sulekha.com
Gumtree.com
ClickIndia.com
classifiedads
Khojle.in
Freeads.in
within minutes and make huge revenue.
All the best!