I visited Mithaas twice during a recent visit to Leicester, they had been recommended by the person we were staying with who is vegan - and I can see why!
Both times I had the vegan thali which had 4 different delicious curries along with all the additional bits and bobs you expect in a thali, plus a sweet, and it was so cheap! Really good value for money. Not sure why the description describes it as 'Moderate', perhaps it's out of date, but I think Mithaas deserves 'Inexpensive'.
The last time we visited just before leaving Leicester we took one of each of the vegan sweets they had - I loved the nutty ones with a kind of silver coating! Bit strange-looking but so good!!