Raj_ind,
Though my knowledge is academic as I already said. One question is bothering me regarding attacks of Ghaznavi on temple of Somnat. He attacked 16 times could not succeed but was succesful on 17th time. When he broke the biggest stutue he found lots of ornaments and precious stones. According to Mohammad Hussain Azad, the statue was made of Gold. He dispatched half of the statue to Macca and rest half he himself took away. His attacks seemed to be only getting treasure hidden inside the statue. In a way it looked like he was an adventurer theif rather than role model for Muslims.
Fighting with India was a great desire by Muslim Sultans and 17 attacks were his attacks on India not only Somnat. Inia was big enough and he could reach only almost the area which is Pakistan now and Mehmood was not having a very big army and was Sultan of Ghazni only (Almost Afghanistn now a days).He made the road to rule india for later trying. You can call him first Pakistani.