If the fire named Nivasa comes in contact with the fire called Davagni, then Ashtakapala rites must be performed in honour of the fire called Suchi.
यद्यग्नयो हि स्पृश्येयुनिवेशस्था दवाग्निना। इष्टिरष्टाकपालेन कार्या तु शुचयेऽग्नये॥