Delhi, Jan 25 (ANI): Former Indian Ambassador to US, Naresh Chandra on Saturday said that the relations between Prime Minister Narendra Modi and US President Barack Obama will prove to be beneficial for both the nations. Talking about a probable nuclear deal between the two countries, Kumar said that there are issues when it comes to such strategic deals and that laws cannot be changed to facilitate the deals. Obama is on a three day tour to India and will be the chief guest at the Republic Day celebrations tomorrow.