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Which of the following innovations are made under the CSIR-800 programme?

1. Terafil water filter

2. Potable Instant Water Filter which serves as a disaster management tool

3. Supplementary and complementary food

4. Green technology for the production of stevioside

Select the correct answer using the codes given below:

A)          Only 1, 2 and 3

B)         Only 2, 3 and 4

C)         Only 2, 3 and 4

D)         1, 2, 3 and 4