S. Kumar Agarwalla

Dear Professor Jose W.F. Valle,

I would like to send you my heartiest congratulations on your birthday. I really enjoyed the
physics discussions that we used to have in the metro and in your office. I am very thankful to you for your useful suggestions and encouragement. We discussed few problems before I left Valencia and I hope that I will be able to find time to work
on them in near future. Please visit us in Bhubaneswar whenever you have some plans
to come to India.

With best regards,