Referral Fee to a US Company and Reseller Partnership

Will TDS be applicable on the below transactions for a software company:

 - A referral fee paid to a US Company (with no PE in India) paid by an Indian company.

 - Buying a software license from a US Company and Reselling to another company in US (both having no PE in India).

 - Hiring a Consultant in the US to provide technical services to a company in US. (both having no PE in India).

Are there any tax implications, direct or indirect in any of the above scenarios.