Bihar Chief Minister Nitish Kumar on Monday attended the 107th birth anniversary event of Bharatiya Jana Sangh ideologue Pandit Deendayal Upadhyaya in Patna, sparking buzz over his return to the NDA folds. It is pertinent to mention that Pandit Deendayal Upadhyaya was a co-founder of the Bharatiya Jana Sangh and a thinker of the Rashtriya Swayamsevak Sangh. In response to …