Organisers of the event have secured Saturday night as well as the usual Sunday.
This will now be the Mela's seventh consecutive year running and it attracts thousands to Botanic Gardens with a feast of world music, dance, fashion and food.
Mukesh Sharma told UTV this year will be great.
He said: "The Mela has got bigger and bigger every year, it just grows exponentially. The reason we've done it over Saturday night is that we're incorporating fireworks to that event and we've been engaging with a lot of local artists who will be performing with Spellbound."
Nisha Tandon, from organisers ArtsEkta, said more than 30,000 people are expected to come over the weekend for what has been billed as a cultural highlight of the summer.
Nisha said: "We are delighted to be presenting an amazing programme which blends performances by some of the most exciting and talked-about international artists together with fantastic contributions from highly creative and culturally diverse communities.
Belfast Lord Mayor Máirtín Ó Muilleoir said the Mela is an "essential" tourist attraction.
He added: "Over the years Belfast Mela has grown to become an essential tourism event showcasing Belfast as a dynamic cosmopolitan place to live in, work in or visit."
The event will take place on 24 and 25 August.