Western disturbance triggered rain in parts of Rajasthan where Alwar received maximum rains at 14.1 mm, the weather office said Tuesday. Chittorgarh, Jaisalmer, Sawai Madhopur and Jaipur received 10, 8.2, 5 and 3.8 mm rains while few other places recorded below 3 mm rains, according to the Met department.