During his rule, a big wooden house was built out of one single tree which was called 'Kasthamandapa', from which the name of the capital, 'Kathmandu', is derived. Gunakama Deva founded a town called Kantipur, the modern Kathmandu. It was also Gunakama Deva who started the 'Indra Jatra' festival. He repaired the temple that lies to the northern part of the temple of Pashupatinath. He introduced Krishna Jatra and Lakhe Jatra as well. He also performed Kotihoma.