The phrase "come at able" isn't commonly used in English and generally doesn't make conventional sense. However, if taken as an abstract or colloquial expression, it could imply the capability to confront or tackle something.
आक्रमण करने में सक्षम
English Usage: He can come at able any problem thrown his way.
Hindi Usage: वह किसी भी समस्या को सक्षम रूप से हल कर सकता है।