Four passengers and two crew members of a Guwahati-Mumbai IndiGo flight were injured in a near-collision with another plane of the same airlines yesterday. <br/><br/>A statement issued by the airlines today said that a flight from Guwahati to Mumbai experienced turbulence due to monsoon activity over the sub-continent.<br/><br/>This caused the aircraft to climb by about 250-300 feet. At the same instance, another Guwahati-Chennai flight was crossing the aircraft. <br/><br/>Due to this monsoon activity, passengers along with the cabin crew on board were physically shaken. The flight made a normal landing in Guwahati later.