CBEC has introduced a pilot project for implementation for paperless processing, uploading of supporting documents,  called e-SANCHIT,  from 20th Oct 2017.

Please click the below links for more information about e-SANCHIT:
For Customs Circular No. 40/2017, click here 
To view the public notice issued by Chennai Customs, click here 
To view the public notice issued by Delhi Customs, click here 
For detailed understanding on e-SANCHIT workflow, process guide and FAQs, click here