Jaipur-based online car marketplace CarDekho is reportedly seeking to raise $100 million in a Series D funding round led by Chinese automotive portal Autohome, which would put in $70 million. The round, valuing the startup at $700 million, may also see participation from its existing investor Sequoia Capital. CarDekho was founded in 2008 by brothers Amit Jain and Anurag Jain.