The gala round of season 2 of the country's first television reality show 'Udbhaboker Khoje' was held on Tuesday at Bangladesh Film Archive Auditorium in the city.
The winners were selected from the top eight inventions of the nationwide participants.
A grant of Tk20 lakh cash were given to the top two innovators along with for mentoring and other helps from a2i.
In addition, Tk10 lakh was given to the three competitors and Tk5 lakh was given to the other three each, said a press release of a2i.
Salman Fazlur Rahman, Private Industry & Investment Advisor to Prime Minister was present as the chief guest while State Minister for Information and Communications Technology Junaid Ahmed Polak was the guest of honor at the programme.
Senior officials of various ministries of the government and executive directors and investors of private companies were also present in the programme.
The final round of the programme will be aired on Channel i on December 13.
The season 2 journey of the show was begun on April 2.