1) Quikr is India's largest online classifieds platform with over 32 million unique visitors per month and 9.7 million active listings.
2) The challenge is to improve Quikr's search functionality by developing a solution that better understands user search intent and displays the most relevant results across Quikr's 140+ categories.
3) The solution needs to balance search relevance with ad recency, as more recent ads are generally more useful to users, even if they are only partially related to the search terms.