var bounds = new OpenLayers.Bounds(
    66.76242541918388, 6.756367055683252,
    98.64805108111362, 37.558217731396034
);

var map = new OpenLayers.Map('map',
    {
        maxExtent: bounds,
        maxResolution: 0.10,
        projection: "EPSG:4042",
    center: new OpenLayers.LonLat(79, 21)
     }
);

var bounds = new OpenLayers.Bounds(
    66.76242541918388, 6.756367055683252,
    98.64805108111362, 37.558217731396034
);

var map = new OpenLayers.Map('map',
    {
        maxExtent: bounds,
        maxResolution: 0.10,
        //projection: "EPSG:4042",
    center: new OpenLayers.LonLat(79, 21)
     }
);

var map = new OpenLayers.Map('map',
{
    units : 'm', // <-define units
    maxExtent: bounds,
    maxResolution: 0.10,
    //projection: "EPSG:4042",
center: new OpenLayers.LonLat(79, 21)
 }