Answer

Prabhu Mahavir Swami par upsarg karnaar vyakti nu naam Sangam Dev hatu.

If you need the name with letter “K”, then it may be from another Prabhu or story, but for Prabhu Veer / Mahavir Swami, the well-known upsarg karnaar is Sangam Dev.

Takeaway

Prabhu Mahavir Swami e Sangam Dev na kathin upsargo pan shanti, kshama ane samta thi sahan karya.