Explanation:

Jhelum River passes through Wular Lake: True. Wular Lake in Jammu & Kashmir is one of the largest freshwater lakes in Asia and the Jhelum River passes through it.

Krishna River directly feeds Kolleru Lake: False. It's the Budameru stream, a tributary of the Krishna River, that directly feeds Kolleru Lake in Andhra Pradesh.

Meandering of Gandak River formed Kanwar Lake: True. Kanwar Lake, in Bihar, is Asia's largest oxbow lake, and it was formed due to the meandering of the Gandak River.

So, statements 1 and 3 are correct.