2005: Founded with a membership base of 290 persons with disabilities across 21 village level DPOs as an outcome of the CBR Programme funded by KZE through CBR Forum.
2008: In April, 110 VDPOs (formed with the support of CG) joined, increasing its membership base to 1,236 persons with disabilities across a total of 131 VDPOs. It emerged as a District Level DPO.
2010: Registered under TN Societies Registration Act
2012: CBR Forum project (District Level Initiative) began in partnership with 8 local NGOs in Tiruvallur District.
2015: Due to the DLI, today Vasantham consists of 14 BDPOs with a membership base of 9,313 persons with disabilities. The target area is covered across 14 Blocks.