1) The document proposes a solution to provide safe drinking water and sanitation facilities to all by modifying the design of conventional hand pumps in India. 2) The proposed design integrates advanced water filtration techniques like ultrafiltration and chlorine disinfection with the hand pump to provide clean drinking water. 3) If implemented widely, the solution could help reduce waterborne diseases and ensure access to clean water for millions of people in India who currently rely on contaminated water sources.