QUES: Knig lived for six years after his article causing

correct the punctuation.

CORRECTED: Konig lived for six years after his article causing :

QUES: Details follow each link

correct the punctuation.

CORRECTED: Details follow each link.

QUES: The bill has been delayed for a long time on account of the complexity in implementation

correct the punctuation.

CORRECTED:
The bill has been delayed for a long time on account of the "complexity" in implementation.