Hi...Pls let me knw abt Thailand time , compares to IST - Indian Standard Time,Weather, food,travel safety?

Wil b Off to Bangkok n Pataya in April End..fr very first time..! Wanna to knwo abt d best opted activites frm Bangkok n sm sort of primary details about Thailand time compares to Indian Time , Weather, Food , nite outs n Etc..? Wish to knw abt currency exchange out lets , shopping markets , wht would b d currency rate of T Bahts to INR - Indian Rupees ..?