At least four UPSC coaching institutes -- Vajiram and Ravi Institute, Drishti IAS, NEXT IAS, and SRIRAM's IAS -- have offered Rs 10 lakh each to the families of Shreya Yadav, Tanya Soni and Nevin Dalvin, the three IAS aspirants who died after rainwater gushed inside of the basement of Rau's IAS Study Circle in Old Rajinder Nagar on July 27.