DDA Housing Scheme 2021 update: Authority receives 5,000 applications More than 800 applicants pay up the booking amount of which more than 500 are for high income group and middle income group units. On the sixth day of the launch of Delhi Development Authority (DDA)’s 2021 housing scheme offering 1,350 flats for sale in the national capital, the authority has received as many as 5,000 applications and more than 800 have paid up the booking amount, a DDA spokesperson said. Out of the over 800 people who have paid up the booking amount, more than 500 are for HIG and MIG units that are available in the range of over Rs 1 crore and Rs 2 crore, the spokesperson said.