Income Tax Department India website has details about PAN - know your PAN, online PAN verification, status, apply online, TAN, TDS, file income tax return online, Pay Taxes online, view tax credit, status of Tax refund etc
It has details about Tax laws and rules, international taxation, downloads, tenders, tax payers information booklet, tax information network, tax calculator, direct tax code, challans etc
Web : http://www.incometaxindia.gov.in/