How to transfer Regalia points to Vistara or Krisflier

[chbhk619]

Am planning to transfer my points in HDFC regalia to vistara or krisflier, so while registration of my account details its asking for expiry date, which am unable to find.... can anyone help me what to enter here?

 

[Wealth is my birth right!]

Am planning to transfer my points in HDFC regalia to vistara or krisflier, so while registration of my account details its asking for expiry date, which am unable to find.... can anyone help me what to enter here?
View attachment 18138

Just give 3 yrs from today