Get Best 4D Ultrasound in Dwarka from Dhanwantri X-Ray Lab & Imaging Centre. Dhanwantri X-Ray Lab & Imaging Centre has been established with a mission to provide world class affordable and best diagnostic facilities to all sections of the society irrespective of caste, colour and creed with a humanitarian touch, while maintaining high standards of ethical practices and professional competency with emphasis on training and grooming of staff. We aim to have Pan India presence and to become the most preferred diagnostic facility.