You are in the Mahadasha period of Mercury which is the lord of the 12th house. Rahu in the 4th house aspects Mercury and the 12th house. The period till November 2017 is challenging and therefore you should be careful of the action and what you do and say. Doing the remedies given below will help.
1. Recite Rahu Mantra Om Raam Rahave Namaha 108 times daily