Electroforming Hasli
A hasli is a traditional Indian necklace style — usually a rigid, collar-like piece worn close to the neck. Combined with electroforming, this describes a collar necklace made using the electroforming metal fabrication technique.

30gm
The number usually refers to the approximate weight of the hasli — here, ~30 grams. This gives an idea of the size and heft of the piece (important for jewelry buyers).

32
Likely a model or design code, or a size/series identifier used by the seller/manufacturer to distinguish this specific design from others.