29419090 under HS Code ANTIBIOTICS - OTHER : OTHER, 29372900 under HS Code HORMONES, PROSTAGLANDINS, THROMBOXANES AND LEUKOTRIENES, NATURAL OR REPRODUCED BY SYNTHESIS; DERIVATIVES AND STRUCTURAL ANALOGUES THEREOF, INCLUDING CHAIN MODIFIED POLYPEPTIDES, USED PRIMARILY AS HORMONES - STEROIDAL HORMONES, THEIR DERIVATIVES AND STRUCTURAL ANALOGUES : OTHER, and 29242990 under HS Code CARBOXYAMIDE-FUNCTION COMPOUNDS; AMIDE-FUNCTION COMPOUNDS OF CARBONIC ACID - CYCLIC AMIDES (INCLUDING CYCLIC CARBAMATES) AND THEIR DERIVATIVES; SALTS THEREOF : OTHER : OTHER were the top imported HS Codes by WINTHROX LABORATORIES PRIVATE LIMITED in 2021.