What will be the allowable range for stoploss trigger price?

You can place a stoploss trigger price in case of buying order as range between 1% below LTP to 1.01* Lower Circuit limit & for selling order as 1% above LTP to 0.99* Higher Circuit limit
For example:-
An ABC company is trading at 100 with Circuit Limits 70 –130, the stop loss trigger price can be defined as below :-

1. SLTP range for buying order :- 99 to 70.7
   
2. SLTP range for selling order :- 101 to 128.7