भारत में इलेक्ट्रॉनिक वोटिंग मशीन (EVM) का प्रयोग पहली बार प्रयोगात्मक आधार पर चुनिंदा विधानसभा क्षेत्रों में किस वर्ष शुरू किया गया था?

In February 2011, the Election Commission of India raised the maximum election expenditure limit for a Legislative Assembly constituency in larger states to which amount?

Through the 61st Constitutional Amendment Act, the voting age in India was reduced from 21 years to 18 years. In which year did this change come into effect?