Section 55 of The Negotiable Instruments Act : Conversion of indorsement in blank into indorsement in full.
Conversion of indorsement in blank into indorsement in full. Negotiable Instruments Act 1881
If a negotiable instrument, after having been indorsed in blank, is indorsed in full, the amount of it cannot be claimed from the indorser in full, except by the person to whom it has been indorsed in full, or by one who derives title through such person.