GST Registration

in case of voluntary registration gst liability will start from 20 March
and in case of compulsory registration you have to issue revised invoice from 15Feb

A) In case of Voluntary Registration
Effective date of Registration - 20/03/2018
Return to be filed for March month in April
B) In case of compulsory registration
It seems u have not applied within 30 days of liable to register then Effective date of registration will be 20/03/2018
If so
Penalty of Rs. 10,000/- (Section 66(1)(x))

Non eligible for Input Tax Credit (Section (Section 16(2)

Non eligible for issue of Tax Invoice (Section 23)

Non eligible for Transfer of Input Tax Credit (Section 37A)

Detention of Goods & Conveyance (Section 69)

Confiscation of Goods (Section 70) will be levied

IF YOU ARE LIABLE TO REGISTER FROM WITHIN 30 DAYS OF DATE OF APPLICATION ABOVE CONSEQUENCES WILL NOT BE THERE