In the midst of Tuesday's shake-up, with the Jannayak Janta Party walking out of its alliance with the Bharatiya Janata Party in Haryana, the move of stiff-necked bureaucrat-turned-politician and BJP’s sitting Hisar MP Brijendra Singh to the Congress camp earlier this week may be forgotten, but it marks the first high-profile switch from the saffron party. Brijendra’s father Birender Singh …