TCS on gifting funds to NRI Son

S M Gala (Head: F & A) (100 Points)

13 February 2024  
A mother wish to remit a sum of Rs 50 lakhs to her NRI Son to help him buying home in place of his country of residence.
Queries
1. Can she do this transaction by remittance into his sons NRE/NRO Account?
2. If yes, is Tcs applicable on such remittance and at what are?
3. How do the said TCS be claimed by the NRI Son?