Yes, Safdarjung offers a GNM course in Delhi. The details of this course, fee structure, and entrance exam to get admission are all here:

• GNM Course: The GNM course basically is a diploma course of three and a half years. Safdarjung Hospital's college of nursing also offers this course.
• Fees Structure: Being a government-based college, this college offers a pretty affordable price range for students. The annual fees are 10,000 to 50,000 INR.
• Entrance Exam: The entrance exam to get admission to Safdarjung College is conducted by the Delhi state government. This exam is mainly a basic selection where you must meet the eligibility criteria. The criteria are you need to pass 10+2 with PCB (with English). A minimum percentage of 45%-50% is required; age limits are also required.