Context : Here the author says that in 20th century a tremendous change has been brought in Indian culture. The main changes are abolition of animal sacrifice, caste system, burning of widows, child marriage, untouchability, etc.
Explanation : To conclude his views the author says that caste system has been vanishing at a very high speed and very soon the points on which the people disagree will be totally abolished. A great change in family system also is seen and people are moulding it according to the present condition. Although there are changes in every field yet the cultural tradition will continue. Thus, we can say that many social evils have been abolished in 20th century for the good of the society.