Although she has lots of talents, but since she didn't get the right platform to prove her talents, she often lags behind in her life.

1) Can we use although or even though, since and but in same sentence like above, in order to explain the scenarios like above?
2) Can we we use although interchangeably with even though while speaking or writing?
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Comments  (Page 2) 
Ok thanks. the mean the sentences that I posted is grammatically wrong right?