TIRUPATI: The last text message Lance Naik Boggala Sai Teja sent to his wife Syamala read: “Happy ga undu’”. Four hours before the chopper crashed, the 27-year-old Lance Naik made a video call to his wife in Andhra Pradesh’s Madanapalle town. Sai Teja made the video call from New Delhi to Syamala around 8.45 am. Ending the brief video chat, …