Inheritance

yes

yes he can get the share of deceased wife

yes... please see section 35 of succession act.

according to hidu law husband have a share with deacesed

yeah husband is one of the legal heir of the deceased wife, just apply for a legal heirship certificate, u can sell ur share straightway.. no need of any certificate from any court other than legal heirship certificate

yes

yes

yes

(1) The property of a female Hindu dying intestate shall devolve according to the rules set out in section 16,-   (a) firstly, upon the sons and daughters (including the children of any pre-deceased son or daughter) and the husband.   (b) secondly, upon the heirs of the husband.   (c) thirdly, upon the heirs of the father, and   (d) fourthly, upon the heirs of the father, and   (e) lastly, upon the heirs of the mother.   (2) Notwithstanding anything contained in sub-section (1),-   (a) any property inherited by a female Hindu from her father or mother shall devolve, in the absence of any son or daughter of the deceased (including the children of any pre-deceased son or daughter) not upon the other heirs referred to in sub-section (1) in the order specified therein, but upon the heirs of the father, and   (b) any property inherited by a female Hindu from her husband or from her father-in-law shall devolve, in the absence of any son or daughter of the deceased (including the children of any pre-deceased son or daughter ) not upon the other heirs referred to in sub-section (1) in the order specified therein, but upon the heirs of the husband.

Yes absolutely