The Development Authorities in Assam have been created under the Assam Town & Country Planning Act, 1959 (as amended) to implement the Master Plans prepared by Town & Country Planning, Assam. There are 24 Development Authorities in Assam and their functions as mandated in the Assam T&CP Act, 1959 (as amended) are mentioned below,-
For executing the above functions, Urban Development Authorities have some financial powers as well. Development Authorities are annually provided a grant-in-aid by the State Government for administrative expenditure, which only meets their minimal requirements. The UDA’s own major sources of funding are from the following,-
Consequent to the amendment of Assam Town & Country Planning Act, 1959 and Assam Municipal Act, 1956, as per the provisions of the 74th Constitutional Amendment Act, 1992 - the power of granting building permission and land sale permissions, which were earlier vested on Development Authorities, has been transferred to Municipal Board or Town Committees for areas within municipal jurisdiction. Urban Development Authorities have been left with implementation and enforcementof the provisions of the Master Plan – in the areas outside municipal limits. The infrastructure development schemes in such areas are also within the purview of the jurisdiction of the Development Authorities.
A list of 24 Development Authority in Assam along with names of Chairman, year of creation, etc is enclosed at Annexure-I link table
| List of Development Authorites along with the name of Chairperson in position as on 17-.06.2025 | |||||
| Sl.No | Name of Development Authority | Year of Creation | Name of the Chairman | Date Appointment | Date of completion Tenure |
| 1 | Tinsukia | 1963 | Sri Kajol Gohain | 21-05-2025 | 20-05-2030 |
| 2 | Dibrugarh | 1986 | Sri Akhim Hazarika | 21-05-2025 | 20-05-2030 |
| 3 | Sibsagar | 1984 | Dr.Prakash Kataki | 26-10-2022 | 25-10-2027 |
| 4 | Jorhat | 1986 | Sri Prasant Jyoti Goswami | 22-05-2025 | 21-05-2030 |
| 5 | Nazira-Simaluguri | 1995 | Dr. Ajay lal Baruah | 26/10/2022 | 25-10-2027 |
| 6 | Tezpur | 1986 | Sri Biswa Dev Bhattacharjee | 26-05-2025 | 25-05-2030 |
| 7 | Nagaon | 1986 | Sri Dhruba Sarma | 26/10/2022 | 25-10-2027 |
| 8 | Jagiroad | 1984 | Sri Dibyajit Neog | 06-11-2023 | 05-11-2028 |
| 9 | Nalbari | 1995 | Sri Banadip Deka | 22-05-2025 | 21-05-2030 |
| 10 | Bongaigoan | 1990 | Sri Gopeswar Talukdar | 15-11-2022 | 14-11-2027 |
| 11 | Silchar | 1984 | Sri Manjul Deb | 12-11-2020 | 11-11-2025 |
| 12 | Golaghat | 2000 | Sri Sanjib Kr Das | 26/10/2022 | 25-10-2027 |
| 13 | N. lakhimpur | 2000 | Sri Samiran Konwar | 22-05-2025 | 21-05-2030 |
| 14 | Sonari | 2001 | Tara Chand Agarwalla | 16-10-2023 | 15/10/2028 |
| 15 | Diphu | 2003 | Sri Ratan Teron | 26/10/2022 | 25-10-2027 |
| 16 | Dergaon | 2004 | Sri Rajmohan Sarma | 26/10/2022 | 25-10-2027 |
| 17 | B. Chariali | 2004 | Sri Ashok Bhatta Rai | 30-05-2025 | 29-05-2030 |
| 18 | Sribhumi | 2004 | Sri Biswarup Bhattacharjee | 29-05-2025 | 28/05/230 |
| 19 | Dhubri-Gauripur | 2004 | Sri Dipak Saha | 26/10/2022 | 25-10-2027 |
| 20 | Mangaldoi | 2004 | Sri Pratap Bordoloi | 21-05-2025 | 20-05-2030 |
| 21 | Goalpara | 2005 | Sri Dipak Nath | 22-05-2025 | 21-05-2030 |
| 22 | Kokrajhar | 2008 | Rudhir Kumar Daimary | 19/7/2018 | 18/7/2023 |
| 23 | Dhemaji | 2008 | Tulan Konwar | 27-09-2023 | 26-09-2028 |
| 24 | Barpeta | 2009 | Sri Anil Kumar Das | 02-06-2025 | 01-06-2030 |