Who told you hinduism is growing in europe and US...and will keep growing...Read Bhavishya Purana...Hindus are waiting for 'The Last Incarnation' of Vishnu , Kalki ...who will fight the cause of Vedas and Upanishads against beef eaters and polygamists and who have equalled Satan to Parameshwar...the day will come for Kalki who will ride the white horse..