Who killed Indrajit, the son of Ravana?

Lakshmana killed Indrajit (also known as Meghanada), the powerful son of Ravana, during the final day of the Ramayana war. Indrajit had been undefeated until that point and had previously severely wounded Lakshmana. The battle between them was fierce, and Lakshmana ultimately defeated him using celestial weapons and strategic timing.