im a student of bangalore university.im studying my final sem m.sc.,biotechnology.
One of the most obvious differences between the DNA of different species is the number of chromosomes.  If you have intact cells, you can do a DNA smash and stain and see how many chromosomes there are - for example dogs have 78 chromosomes, while humans have only 46.   Molecularly, there is no difference, besides a few genes which differ in sequence.
Try looking up the concerned telecom website. For me it is 'keralatelecom.com' look for the BSNL or sancharnet or concerned telecom website. There you can give feedback , complaints etc. Remember , most of the times there emails are not likely to work. Look for a place on the site where you can post complaints , where you will be given a ref/docket number.