ON SATURDAY, Parameswaran Iyer — the Government of India secretary who is in charge of Swachh Bharat Mission — posted a couple of photos in a social media site. The caption says the complete story. “Great to be emptying a toilet pit in Gangadevipalli, Warangal @swachhbharat… It's perfectly safe and clean to empty a twin pit toilet. The @swachhbharat team joins Gangadevipally village today.” The images caught the imagination of many people in social media. The IAS Association quoted one of his Tweets to say: “Amazing. This is true leadership. Secy to GoI getting down to clean a toilet pit. #SwachhBharat #RoleModel.” Not just that, many in social media sites…