Sikh devotees paying obeisance at Golden Temple on the occasion of 544th birth anniversary of Guru Nanak Dev Ji in Amritsar on Wednesday

Sikh devotees paying obeisance at Golden Temple on the occasion of 544th birth anniversary of Guru Nanak in Amritsar - PTI

Sikh devotees paying obeisance at Golden Temple on the occasion of 544th birth anniversary of Guru Nanak in Amritsar - PTI

Never mind if it was divine intervention or crafty cunning.

On the first day of American President Barack Obama’s visit to India, the two most commonly used words were chemistry and optics.