<span style="color: #222222;">Uttar Pradesh Chief Minister Yogi Adityanath has condoled the death of senior IAS officer Ajay Singh, who died yesterday after suffering a heart attack in Varanasi.<br />''<br />''Ajay Singh was performing his duties as an observer for the Uttar Pradesh Legislative Council polls in Varanasi, after he was posted as secretary National Integration in Uttar Pradesh Government.</span>