letter to finance minister 250819 national union of gramin dak sevaks national union of gramin dak sevaks open letter to minister of finance bos all india postal accounts employees letter of shri arun jaitley written arun jaitley don t want ministry at letter to sri arunjaitly finance minister india ministry of finance department finance minister nirmala sitharaman pocketbits crypto exchange ceo writes adif urges reducing gst compliance it minister s urgent letter to finance