China has put many barriers internally such as exporting equipments to china need to fulfill chinese standards and quality requirements. UNFORTUNATELY, there is no such requirement from India. Hence indian suppliers face enough problems to export to china but import from china is completely barrierless.
Sending Indian workers to china is very difficult but getting chinese workers to India is very easy.
Unfortunately, Nehru was given similar impressions of bhai bhai and then he failed miserably. Unless the relations are mutually beneficial, the BOP issue can not be resolved.