Real estate developers sold 26 per cent less apartments during January-March period across nine major cities as economic slowdown and coronavirus outbreak affected demand, News Corp-backed PropTiger said.In its report 'Real Insight: Q4 FY20', the housing brokerage firm said "a total of 69,235 units were sold during the quarter ending March as against 93,936 units sold during the same quarter last fiscal."New launches too fell by more than a half to 35,668 units from 72,932 flats during the period under review.Reports by other brokerages and consultants too pointed out that sales have been hit by 30-40 per cent in the first three months of 2020."The adverse impact of the coronavirus is visible on housing sales in the last quarter of the previous fiscal because March is usually one of the biggest months for sales,” said Dhruv Agarwala , Group CEO, Housing.com, Makaan.com and PropTiger.com.The lockdown , which has brought most economic activities in the country to a virtual standstill, has hurt all sectors including real estate, he added.According to the data, housing sales declined in all the nine cities -- Ahmedabad, Bengaluru, Chennai, Gurugram (including Bhiwadi, Dharuhera and Sohna), Hyderabad, Kolkata, Mumbai (including Navi Mumbai and Thane), Pune and Noida (including Greater Noida, Noida Extension and Yamuna Expressway).In Maharashtra, housing sales in Mumbai declined 14 per cent to 23,969 units while Pune saw 15 per cent fall in demand to 15,523 apartments.Sales in Ahmedabad fell by 36 per cent to 4,549 units, while Bengaluru saw 24 per cent drop to 8,197 units.Chennai witnessed 23 per cent fall in sales at 3,643 units, while Hyderabad recorded 39 per cent slump at 5,554 units.