Yahoo search does not really push in huge traffic but still its generally claimed to be the #2 traffic sender in terms of traffic from search engines after google search. Yahoo is also very quick in finding/tracking the backlinks to any website/page and this you can find out using the Link:yourwebsite.com command.
Lets discuss about submitting your new website to yahoo search engine to make sure your website is quickly indexed by yahoo bots.
Free submission of a website or webpage can be done using this link and you need to stay logged into yahoo account for getting started. You also have a option to enter a site feed to submit feed to yahoo 
in case your website is of blog format and the feed can be of RSS0.9, RSS1.0 or RSS2.0 format. You can also create a yahoo sitemap in a normal text format which is a URL life file named as urllist.txt. For creating this sitemap you can use softwares like xml sitemaps.
Please send me the ping detail to yahoo india submitting to my sitemap.