Complex sentence: In this issue Dhruva was shown to kill a lot of criminals which can be attributed to the fact that this issue was written by Sanjay Gupta, the writer of Nagraj solo issues, and not by Sinha.
Split into simpler sentences: In this issue, Dhruva was shown to kill a lot of criminals. This was due to the fact that this issue was written by Sanjay Gupta, the writer of Nagraj, and not by Sinha.