Is spirituality must in india?

India has different culture and thoughts. But our culture safeguarded sprituality in systemised manner.Even after so many invaders, India retains sprituality, with different methods.Some are good and other is bad. But we have to keep the following facts in our mind. 01.Whether our preachers are practising the same what they preach? 02.Are their preachings have scientific role? 03.Are the preachings have any relevence to daily life? If our spriruality Explains as above, natually, our younger generation will pay more attention it.