When and where was the Central Electrochemical Research Institute established with the efforts of Alagappa Chettiar, Dr Shanti Swaroop Bhatnagar and Pt. Jawahar Lal Nehru? 

1
Lucknow, 1951
2
Karaikudi, 1953
3
Chennai, 1948
4
Shivganga, 1953
5
Question Not Attempted

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