Subheading 3825.41 · Section VI
3825.41 Residual products of the chemical or allied industries, not elsewhere specified or included; halogenated waste organic solvents
38 Chemical products n.e.c.
3825 Residual products of the chemical or allied industries, not elsewhere specified or included; municipal waste; sewage sludge; other residual products.
3825.41 Halogenated waste organic solvents
Other subheadings under 3825
For Indian shipping bills you need 8 digits. These six-digit codes are the international HS 2022. India's ITC(HS) classification (DGFT) and Customs Tariff (CBIC) add two more digits for the national tariff line, so pick the 8-digit line under your 6-digit code there, and confirm with your customs broker for anything borderline.