NAGPUR, Sept. 12 -- Rashtriya Swayamsevak Sangh (RSS) chief Mohan Bhagwat on Thursday celebrated his 75th birthday in a simple event at the Sangh headquarters in Nagpur, with top leaders from the ruling NDA, led by Prime Minister Narendra Modi, heaping praise on his leadership of the organisation. Bhagwat, who has been the RSS Sarsanghchalak since 2009, offered prayers at an ancient Ganesh temple at Adasa, around 45 km from Nagpur, in the morning. RSS headquarters official Ajay Jaltade said several top leaders, including PM Modi, Maharashtra chief minister Devendra Fadnavis, and Union transport minister Nitin Gadkari, extended their wishes over phone calls. "'Inspired by the principle of Vasudhaiva Kutumbakam (the world is one family), Shri...