Jethmalani: TN judgment and Punjab judgment used... ... Supreme Court Hearing-Presidential Reference On Timelines For Bills' Assent-DAY-4 : Live Updates

Jethmalani: TN judgment and Punjab judgment used proviso to place what is not there in main part. First part, which is substantive, prior to proviso, gives Governor three options- necessarily discretionary. in cabinet system of governor, the bills are laid at floors by the Government on principles of collective responsibility...what does it mean when it is said he withholds?...another word is rejecting the assent. He has option to assent, or rejecting it outright and when he has doubt regarding constitutionality or competence, he can reserve for President.

Attached of proviso to withholding of assent by two judgments- apart from construction and use of proviso to replace, it can be an entire exception to entire substantive part.