Too many values in query string

Parameter:url
Value:[u'https://mumbai.aevt.org/governing-council-of-aevt?Return=https://mumbai.aevt.org/governing-council-of-aevt?title=Result', u'https://mumbai.aevt.org/governing-council-of-aevt?Return=https://mumbai.aevt.org/governing-council-of-aevt']

Please correct your input.