"Scientists have worked day and night for this accomplishment. A total of 1,000 scientists of the country are involved in the project and about 500 people are from Bengaluru itself," he said, adding that the date of the felicitation program will be fixed after September 2. India on Wednesday scripted history as ISRO's ambitious third Moon mission Chandrayaan-3's Lander Module (LM) touched down on the lunar surface, making it only the fourth country to accomplish the feat, and first to reach the uncharted south pole of Earth's only natural satellite.