Being Spied On , Intimidation , Harrassment , Life Destruction

I worked in Ireland for an employer who recorded my phone and laptop and spied on stalked on me , I made a complaint so they didn't let me get ant job for 3 years , I have left the country and come back to India here also they are recording my phone and laptop , not letting me getting married , defaming me and my family I am unemployed for last 3 years as a result of this How can police and law help me and my family , he we are being followed and spied on continuously