Hospitality industry principally hotel industry consumes natural resources and generates waste products. There are only few sources of energy on earth due to that each and every sector focuses on Eco Friendly Practices and hospitality industry is not left behind. To protect the natural resources hotel industry started conserving energy, by implementing several green practices such as linen reuse program, adjustable temperature control, occupancy sensors, recycling programmes and many more. Due to the increased level of awareness in guests about environmental issues, the Acceptance of environmental concerns continues to increases in hotel industry. Acknowledging this very fact, the present study focuses on Investigating the influence of eco-friendly practices implemented in star category hotels of Delhi-NCR along with the major challenges faced by the hotels in the implementation of green practices in their operations. A well-structured questionnaire was developed to collect information from the hotel personnel. The results indicated that there are certain eco-friendly practices like garbage disposal, installation of sewage treatment plant, usage of dual flush in bathrooms, electronic key cards and energy efficient lighting are mostly exercised practices in all the star category hotels of Delhi-NCR. The findings also revealed that initial investment cost for green set-up is very high which is one of the prime challenge faced by the hotels in the implementation of green practices.