Touching another person, an animal or object with the palm of the hand (palmar touch) is a strong body language signal showing affection, empathy, sincerity and/or ownership. In this particular image, an Indian boy's nonverbal example may very well be demonstrative of all three.
Analysis # 1866: Miley Cyrus & Liam Hemsworth are Engaged - an Affection-Love Sincerity Signal
Analysis # 391: Hillary Clinton and Aung San Suu Kyi
Analysis # 1455: Ann Romney, The Illinois Primary & Sincerity