(i) The Constitution (Sixty-first Amendment) Act, 1989 has __________ the voting age from 21 years to 18 years for the Lok Sabha and the Legislative Assembly elections. (ii) In the present cola-war, the consumer has gained on account of the __________ rates of aerated water. (iii) On account of our power-cut during the summer months this year, our average daily production of paper has __________ by almost ten percent.