I guess he meant that they should
not hurt the ear if you wear for 4-5 hours
....
Frist do you need microphone with the headphones to take in coming calls with your earphone. If so then this might suit you
Panasonic RP-TCN120E-K In-the-ear Headset - Panasonic: Flipkart.com
& if not then there are many product within 900 Rs that can give decent audio quality for the price
1.Panasonic RP-HJE120E-K In-the-ear Headphone Rs. 449
2.Panasonic RP-HJE180E-V Headphone Rs. 764
3.Creative EP-630 earphone In-the-ear Headphone Rs. 780
4.Philips SHE 3590WT/10 Headphone Rs. 560
5.Philips SHE 3590BK Headphone Rs. 589 (highly recommended at head -fi)
6.Sony MDR-EX100LP In-the-ear Headphone Rs. 899
7.JBL Tempo In-the-ear J01U Headphone Rs. 899
8.Cowon EM1 In-the-ear Headphone Rs. 750
9.Sound Magic ES 18 Headphone Rs. 800
10.SoundMAGIC PL21 Headphone Rs. 975
11.SoundMAGIC PL11 Headphone Rs. 800
12.Philips SHE9700 Headphone Rs. 1000
13.Sony MDR-EX60LP Headphone Rs. 899