In India, which fertilizer manufactured first?

Answer: Option C

In India, SSP is the fertilizer that was manufactured first.
SSP is single super phosphate and is the first commercial mineral fertilizer and it led to the development of the modern plant nutrient industry.
The industry made a very humble beginning in 1906 when the first manufacturing unit of SSP was set up in Ranipet near Chennai with an annual capacity of 6,000MT.