Introduction Labour pain is an unpleasant phenomenon with both physical and emotional aspects. It has a common experience for all women during the delivery time. Therefore, a pain relief measure for mothers during labour is very important. A women’s experience of labour pain is influenced by many factor including her past experience of pain, her coping abilities, the birth environment and psychological factors. Massage is a cost effective nursing intervention that can decrease pain and anxiety during labour and psychological support during labour. Material and methods Quasi-experimental design to evaluate the effectiveness of back massage among pregnant women in first stage of labor pain admitted in labor room in selected hospital of Gurugram, Delhi NCR. Purposive sampling techniques were used to select the 60 pregnant women. Modified Universal pain assessment scale was used to assess the level of pain. Result The findings of the study revealed that pre-test pain score in experimental group 22(73.3%) women have mild pain, 8(26.6%) women have moderate pain and no women have severe pain during 3-4cm cervical dilatation. 3(10%) women have mild pain, 24(80%) women have moderate pain and 3(10%) women have severe pain during 5-7cm cervical dilatation. No women have mild pain, 18(60%) women have moderate pain and 12(40%) women have severe pain during 8-10cm cervical dilatation before intervention. Post-test pain score; in experimental group all women have mild pain, during 3-4cm cervical dilatation. 96.6% women have mild pain, 6.6% women have moderate pain and no women have severe pain during 5-7cm cervical dilatation. 70% women have mild pain, 30% women have moderate pain and no women have severe pain during 8-10cm cervical dilatation. The mean of pre-test score is 14.63 ± 2.79 and post-test score is 5.7 ± 2.69 having significant difference with t value of 12.68 at the level of significance p value of 0.00001. Conclusion Back massage were effective in reducing the pain among pregnant women in first stage of labor pain admitted in labor room in selected hospital of Gurugram, Delhi NCR