Śrīmad-Bhāgavatam · Text 1.7.38
Who is speaking and story frame
प्रतिश्रुतं च भवता पाञ्चाल्यै शृण्वतो मम ।
आहरिष्ये शिरस्तस्य यस्ते मानिनि पुत्रहा ॥ ३८ ॥
pratiśrutaṁ ca bhavatā
pāñcālyai śṛṇvato mama
āhariṣye śiras tasya
yas te mānini putra-hā
Furthermore, I have personally heard you promise Draupadī that you would bring forth the head of the killer of her sons.
Read this verse on Vedabase.ioThis verse has no purport; its meaning is explained by the verses around it.