Thiruvananthapuram: Pranjal Patil, country’s first visually challenged woman IAS Officer, took charge as Sub-Collector of Thiruvananthapuram yesterday. This is her second assignment since her appointment in 2018. Earlier, she was appointed as the Assistant Collector at Ernakulam on May 18 this year.  Pranjal lost her vision at the age of 6. Hailing from Ulhasnagar, Maharashtra,…