Explanation:

• Various government authorities have clarified that the linking of Aadhaar with the voter identity card is “voluntary. But despite that, there have been instances of people being warned by booth-level officers that their voter ID would be cancelled if the linking is not done. 

The government also announced that the purpose of obtaining an Aadhaar number is 

• a) For authentication of electors’ entries in the electoral roll, 
• b) To extend better electoral services, 
• c) For registration of migrated voters without duplication in the rolls, and 
• d) To curb the menace of multiple enrolments of the same person in different places. 

Hence only statement 2nd is correct.