First of all you have to prepare all financials and get it audited from an Auditor (CA), and then approach National company law tribunal (NCLT) with petition for restoration of your company.It is pertinent to note that NCLT observe may things before making the company active, one of them is that whether company was making some operation during these periods or not, i.e you have to proof with supporting documents like VAT return/Service tax return/Income tax return that company was in operation.Company Registration