Supply, installation, testing, and commissioning of an Automatic Water ATM with a minimum purification capacity of 250 LPH, incorporating multi-stage purification (Sand Filter, Activated Carbon Filter, RO, UV, and suitable post-treatment). The unit shall be housed in a weatherproof, corrosion-resistant cabinet with a minimum of two dispensing points and shall deliver potable water conforming to the latest BIS IS 10500 drinking water standards.