Indias spiritual tradition and the family system are its greatest strengths and are a model for the whole world, Vice President M. Venkaiah Naidu said on Sunday.Calling India as "a capital of spirituality", he urged the people to understand the meaning and purpose of life and to realise the potential of the country's heritage and culture."Everyone must do their duty to make the country mighty," Naidu said while addressing the gathering at the second anniversary of Swarna Bharat Trust Andhra Pradesh's Atkur, and emphasised that honest practices must come into system to weed out corruption that has become a "dreaded concern".He also inaugurated a health camp on the occasion of the World Cancer Day.The Vice President said that diseases like cancer require early detection for better treatment and added that lifestyle changes, environmental changes are among the reasons for these health problems. We must have adequate facilities for identifying health problems to provide medicines on time, he added.Supreme Court judge Justice L. Nageswara Rao, Andhra Pradesh Assembly Speaker Kodela Sivaprasad and state Health Minister Kamineni Sreenivas were also present on the occasion.