NCERT Class 10 Civics: Chapter 4, Question 10
Which among the following statements about India’s Constitution is wrong? It
(a) prohibits discrimination on grounds of religion
(b) gives official status to one religion
(c) provides to all individuals freedom to profess any religion
(d) ensures equality of citizens within religious communities
(b) gives official status to one religion
https://www.indcareer.com/schools/ncert-solutions-for-class-10-civics-chapter-4-gender-religion-and-caste/