Shanthi Nilayam is voluntarily working with other NGOs in Tamilnadu and other states across India to facilitate interaction and collaboration in different areas and promote the sharing of ideas and information. Few of them are mentioned below.
1. CACL
2. Child Rights Coordination Committee
3. National NGO forum for street and working children
4. Tamilnadu NGO forum for street and working children
5. மக்கள் கல்வி கூட்டமைப்பு
6. Villupuram Environment Forum