Nagaina recovers her egg, but is pursued by Rikki away from the house to the cobra 's underground nest where an unseen final battle takes place. Rikki emerges triumphant from the hole declaring Nagaina dead. His subsequent role is to protect the family by keeping the garden free from any future intrusion by snakes.
where does the final battle take place in rikki tikki tavi
to the cobra 's underground nest