my July GSTR 1 is not submit.. any late fee if I file it now ...

hello All
I have by mistake selected assessment yr 2016-17 instead of 2017-18 in the challan 280. Now the tax is credited in the previous yr. My question is what can i do to rectify it?
Pl advise.
Thanks

IF AN EMPLOYEE JOIN THE COMPANY BETWEEN THE FINANCIAL YEAR AND SUBMITTING INVESTMENT DECLARATION FOR 12 MONTHS( HRA PAID BY EMPLOYEE RS 10000/PM). HOW CAN WE CALCULATE HRA.. (FOR EXAMPLE IF HE JOIN IN SEPTEMBER 2017) AND HIS SALARY STRUCTURE IS:-
BASIC RS 35000
HRA:- RS10000
CA:- RS4000
OA:- RS1000.

If a property is purchased for Rs 30 lacs in 2009 and sold in 2017 for Rs 60 lacs. What is the amount to be invested bonds under section 54- the entire amount of Rs 60 lacs or the difference of Rs 30 lacs

A house is sold off for Rs 50 Lacs. The amount of purchase is Rs 30 lacs. If long term capital gain is eligible, what should be the amount to be invested in bonds under section 54 EC, the amount of difference I.e Rs 20 lacs or the entire amount of sale Rs 50 lacs

sir/madam
one of my client 's gst provisional registration(migrated) is cancelled and i didnt filed any single return of gst from july and my client have given GSTIN to all parties , now he is unable to take input from july and till now trans-1 not filled, after calling in cbec sahayata they are saying that new reg. should be taken but if new reg taken than can i able to file return from july ? and how to revise suppliers return of gst ? huge credit amount is blocked ......please response

Dear Sir,

IS GSTR4 RETURNED LAST DATE ON 15TH NOV?

DEAR SIR,
PROVIDE THE DIFFERENCE OF WORKING BETWEEN STATUTAR AUDIT AND TAX AUDIT
JUST LIKE NET PROFIT IN BOTH SHOULD BE SAME OR NOT JUST LIKE DEPRECIATION IS DIFFFERENT RATS AS PER COMPANIES ACT AND IT ACT
SO PLEASE ELAORATE THE DIFFERENCE OF WORKING IN OF STATUTORY AUDIT AND IT AUDIT
THANKING YOU IN ADVANCE

DEAR SIR,
PLEASE GIVE THE REVERSE CHARGE RATES AND CATEGORIES

DEAR SIR PLEASE GIVE THE DUE DATES OF GST REUTURN FILLING AND PENALTY FOR LATE FILLING
THABKING YOU IN ADVANCE