Smt. Renuka,
Re. Krishna I know your views. What I wrote was for general info of all members/readers, and not to inconvenience your beliefs.
Killing anyone is wrong, but our dharmasastras say that it is the duty of a kshatriya to kill enemies in a war; so no sin arises. This is certified by Krishna (whom you and most others hold as the Supreme Godhead itself) indirectly —
hato vā prāpsyasi svargaṃ jitvā vā bhokṣyase mahīm |
tasmāduttiṣṭha kaunteya yuddhāya kṛtaniścaya: || bha. gī. 2-37
"you will gain swarga if killed in the war" and an act which facilitates such "swargapraapti" cannot be a sin just as, according to the Vedas themselves, sacrificial killing of animals was not a sin at all. But killing swajana that too fratricide, killing guru, grandfather, etc., was considered sin even if it was war. That is my impression. The dharmic way out for the Pandavas would have been to go and seek shelter in some other country, even they could have gone to Dwaraka. But curiously, it was the "Dharmaputra" who decides on war and the martial Arjuna who has rethinking.
That Krishna was depicted only as an ordinary mortal prince/king in M.Bh. even in the first two chapters of BG; it is only in Ch.III that he is made to utter "puraa proktaa mayaa" which is interpreted to mean "by me at the beginning of this world/chaturyuga, etc., and superhumanist aura is foisted on him.
M.Bh. also talks of Arjuna suspecting Krishna making the Kurus fight to extinction so that he could conquer the Kuru country easily; Arjuna draws out his sword, in the heat of anger, to kill Krishna but is forbidden by Yudhishtira.