Explanation:

In the world, India’s share in sugar production is over 15 percent. (Correct)

Sugar Industry is the second largest agro-based Industry in India. (Incorrect – Sugar Industry is the largest agro-based industry in India)

India is the largest consumer of sugar in the world. (Incorrect – India is one of the largest consumers of sugar, but it's not the largest in the world)

India is the largest producer of Sugar. (Correct)

So, statements 1 and 4 are correct.