Correct Answer - Option 1 : C
Given series: Left side N G D H I K S L A O E P W M C X T Z U B V Right side
The letter exactly between K and M is O.
The 5th letter to the right of O is C.
Left side N G D H I K S L A O E P W M C X T Z U B V Right side
Hence, C is the correct answer.