If a person works in different establishments (in India) for more than 6 years each, is he eligible to draw Gratuity benefits from each establishment separately? For example, Mr. A worked in three establishments, X, Y, and Z, for the following periods: 6 years in X Establishment, 8 years in Y Establishment, and 6 years in Z Establishment. In this case, is Mr. A eligible to receive Gratuity Benefits from all three establishments?