What is useful life for Plant & machinery and for Factory equipment whether smae?

Dear Sir,
I am doing a Construction work of Block Development office. I have charged GST @ 28% on Cement but JE is asking to remove GST Charges. As per him, Cement is exempt as the same was provided by BDO through Governement Depot.
Please guide is it right ? If Yes, please share complete procedure like any exemption certificate require from BDO or any other procedure.
Wish to hear from you soon.

Respected sir,
Kindly advice a NBFC proposed to sale capital goods, at the time of purchase avail itc @ 50%. I would like to know lapsed ITC can i setoff at the time of sales.

i made a invoice of a customer total is 45000 he made payment 22000 in bank and give 22500to me cash can i now make single entry on same day of this cash

Dear Sir,
Applicant submitted closer application from Aug 2020 and it have been accepted in nov 2020. Return Dashboard also closed from from aug 2020. Now assessing authority issued notice to file Sep. 20 3b return and consequently passed provisional assessment for sep 20. Whether act of assessing authority is fair?

In case of proprietorship business turnover (1.x crore), required to file these specific returns or there is any exemption due to turnover?

Sir,

The turnover of an AOP is more than rs. 50 lakhs but not exceeding rs. 2 crores. But it supplies nil rated products as per gst act. So, in which business head it should be shown that it will not require to register for GST

Hi, maybe this query is too basic but I am not sure how things work. Apologies in advance!

Basically my services business (proprietorship) has turnover of around 1 crore, and I pay Advance Tax. So want to know the money I pay Advance Tax from, is that also taxable? or any money that is contributed to tax is not calculated that way?

Thanks you.

In reply to my query i was advised to claim as per 2A even if ITC auto populated. Is less then 2A, does sec 36(4) permits to claim.

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My friend is in Indian Army and he got transferred from Panjab to Assam. He booked a packer n mover to transport Household stuff . But transporter GST No is Suo Moto cancelled n Pan is inactive. As army personnel usually he gets this expenses back from Indian army or defence ministry.
In this case can he can claim this expenses from defence ministry by showing bill of transporter whose GST no is cancelled n Pan is inactive.