At least four popular safari destinations Sariska and Ranthambore inRajasthanand Tadoba-Andhari and Nagzira-Navegaon inMaharashtra announced that they would receive tourists Friday onwards as a drop in Covid cases provides a small window of opportunity. Several others are likely to make an announcement in a day or two. In a circular issued on Thursday, NTCA inspector general Amit Mallick said, As the Covid situation has improved across the country, the chief wildlife wardens may take a call to open for tourism.