KOTA, June 17 -- While the Rajasthan wildlife department is waiting for the go-ahead from the National Tiger Reserve Authority (NTCA) nod for relocation of more tigers to the Mukundra Hills Tiger Reserve (MHTR) that is now left with a tigress, experts say loneliness will have an adverse impact on the health and fertility of the big cat, MT-4, if its pairing is not done....