Zarathustra15

A brief background before I ask my question. I did my undergraduate degree in economics from one of the top institutions in India, became the college valedictorian and attained academic scholarships. Im currently working at a econ research lab and have applied to courses at LSE, Cambridge and Oxford. Now, I got a 324 in my GRE (161V, 163Q) and everything on the internet tells me that's low for MSc/MPhil courses in these colleges. Is that true? And if it is, how much of a chance do I stand? Im dealing with a lot of anxiety on this front, any useful guidance would be welcome