It was on this account, that Setasva with Krishna as his charioteer was able to overcome him. I cannot, therefore, find any fault in Drona. are
तेनैवमभ्यतिक्रान्तः श्वेताश्वः कृष्णसारथिः। तस्य दोषं न पश्यामि द्रोणस्यानेन हेतुना॥