Dont talk as if what is imposed by Taliban as Islam.
1. The requirement for Muslim women is only to cover their chest and hair, and also should not wear tight dress. This is Hijab. If some Muslim women wants to go further with Niqab, then good beside it is not obligated to do so.
2. It is clear in Quran that Government should not impose Islamic regulation to their people for private religious activity like praying, wearing hijab, fasting, Government should only be obligated to let Muslim wear hijab and do many religous activity. This is why leaders like Ataturk needs to be over thrown since he ban Hijab and do restriction to Islamic religious activity.
3. Something that Government can intervene
A. Government should impose mandatory Halal certificate for all meat imported and circulated in the country, as well as mandatory Halal certificated for food and drinks, Government can help community to build Mosque and maintain their Mosques, etc etc. (Indonesia and many Muslim countries also has done this )
B. Gov should make Islamic Court for divorce and other thing ( Indonesia also has it)
C. Gov should make Islamic education including Madrasah and manage Hajj (Indonesia has done this, many Muslim countries have done as well.
D. Government should have Islamic law in financial sector and build its Islamic bank SOE, government can make Zakat institution and make necessary financial infrastructure that make it easier to give Zakat and distribute it to the poor ( directly or indirectly like providing street and other public infrastructure in poor neighboorhood ), etc etc (Indonesia gov has done this)
E. **** and prostitution should be banned and regarded as criminal activity as well like Indonesian governmen imposed
F. Providing security and support for all Islamic practices and cultural events ( like recent going to home town culture every Idul Fitri in Indonesia )
G. Other thing that I dont have time to explain further like in internatonal politics by joining OIC, supporting Palestinian and others