Income Tax Related Sites :

• Income Tax Department
• Income Tax Circulars 
• Income Tax Notifications
• Income Tax Forms download
• Income Tax E-filing Return Login
• Know your PAN
• Online PAN application
• Know your TAN

Companies Act Related sites :

• E-Forms Download 
• Pre-requisite Softwares

West Bengal VAT Related Sites :

• West Bengal Commercial Taxes Website
• E-Filing of VAT Return Login
• E-Filing CST Return Login
• VAT Related Notifications & Circulars
• Trade Circulars
• Login for E-Application for CST Forms
• Login for E-Application for Way Bills