When is the last date to file the TDS return for Q4 and when is the last date to pay the TDS(Tax) for the month of March 2018

Dear Sir,
i was registered under voluntary basis due to my business dealings on the time 16.07.2017 as composition scheme.
Now My turnover below 20 lakhs.
here i want to cancel my gst registration in the gst portal (as other cases: reason for TO below 20 lakhs in the cancellation application) on 02.03.2018(ARN generated).
but till now im not yet received any notice from the department through online/offline,

my doubt is am i file the month of jan ,feb turnover and to be pay gst @1% composition tax.
and gstr 10 when it to be file.,via online link or offline. Guide me sir

Hello Sir I Joined in a Company on Oct'18 they didn't Maintain accounts properly they haven't feed any opening Balance Correctly Now I have to Close the 2017 -18 Books So Shall I Feed the O.B as Given By Auditor & While Feeding O.B Which Expenses O.B to be Feed I Mean

i) Balance Sheet Items
ii) P &L Items

& Still Which Items to be Brought under O.B

is adhaar mandatory for e-verification of IT return of financial year 2016-17? (if i use the method of otp on registered mobile no and email id)

as per latest amendment made in section 139a every non individual entity entering into a financial transaction of 250000 or more has to obtain a pan
I am running a small business of tailoring annual revenue of 300000 it is a proprietory concern and the proprietor has a PAN then is he required to take another pan for his entity

dear expert one of my client receive notice under sec 143(1) of not considering the income under sec 194A of fdr intt and we have file the revised return considering that income but we simultaneously increased 80 c deduction by 40000/- now can we again file revised return

I have my flat is in Ahmedabad given on rent through leave and license agreement of 11 months.1. What is the best and legal practise to renew leave and license agreement viz just next day of expiry of 11 months or after some break.2. Is it possible that tenant can claim ownership of property being continuously living in property for say 5 years etc.3. Under what circumstances that tenant can claim ownership of property on leave and license agreement done for 11 months.It is humbly requested to please reply with relavant ruling.

One of a contractor filled last return on AY 2016-17 and that year he has a TDS credit but same not shown in return i.e. ITR 4S. Can he claim refund now during filling ITRS for AY 2017-18

One of contractor only supply manpower on a commission basis. He raised monthly bill to company and company pay the same. After that contractor distribute the money to his personnel those who are working in company. Apart from that no other income generated.
Is he eligible to file ITS or ITR4

Mobile phone cannot be used 100% for business...you will receive some personal call....

As a business should we get full ITC on mobile phone or some % ??

Thanks in Advance