The 3rd Nepal Building and Construction International Expo started at Kathmandu on Friday. <br/><br/>Companies from more than 18 countries including India are participating in the 3 day exhibition. <br/><br/>More than 200 brands of construction material, appliances, furniture and heavy equipments are displayed at the fair. <br/><br/>Visitors are taking keen interest in the products especially in wooden material, furniture and home decor stalls.