yes..mahendergarh to jhujhunu and jhujhunu to fatehpur ratangarh line will also do as bikaner to delhi will be through this route as this will short the distance between delhi and bikaner and also if sadulpur to jhujhunu is new line is built or loharu to bhiwani built then entire state of punjab haryana and jammu , chandigarh can be direcley connected to Jaipur, ajmer, udaipur etc