Question: asking about cultivation practices
Answer: varieties
kew, mauritius and queen are the commercially cultivated pineapple varieties in tamil nadu.

soil and climate
mild tropical climate as found in the humid hill slopes is best suited for cultivation. this can also be grown in plains under shade i.e as intercropping system. elevation from 500 m to 700 m is ideal for cultivation. a light well drained soil with ph 5.5 to 7.0 is highly preferable. heavy soils can also be used for commercial cultivation if drainage facilities are available. 

spacing 
plant in double rows either in beds or in trenches with the plants into the second rows set in the middle of the plants in the first row. the spacing between two trenches will be 90 cm. row to row spacing in the same bed per trench will be 60 cm and plant spacing within the row is 30 cm. 
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kew
planting
use suckers and slips of 300-350 g weight for planting.
planting season
the ideal season for planting is july – september
fertilizer dose-urea 26g,ssp 12g and mop 20g/plant