Lal Kitab astrology is based on the Samudrika Shastra.
The Lal Kitab contains poetic verses on philosophy; nuances etc. form the upayas or farmanns, i.e. recommended remedies.
Lal Kitab remedies are simple in nature and very beneficial for planetary afflictions in one’s natal chart or horoscope.
Lal Kitab is considered unique to Vedic astrology as it is a branch which explains how certain planetary positions in one’s horoscope reflects in the lines of their palm. 
In Lal Kitab, nine planets have been accorded prominence as in the Vedic astrology.
In addition, the predictions are based on the planetary position according to the twelve houses. However, there are differences in Vedic astrology and Lal Kitab. In case of Vedic Astrology, the houses are fixed but the zodiac signs are not fixed whereas in Lal Kitab both houses and zodiac signs are fixed.

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Lal Kitab Remedies OR Lal Kitab Upaay

Most important aspect of Lal Kitab is the identification of malefic planets and easy, inexpensive and extremely effective remedial measures for propitiation of their ill effects. It is said that the solutions & remedies given by Lal Kitab are infallible. Lal Kitab remedies are affordable, easy and provide quick results. 
But one should be very cautious while performing the lal kitab remedies. It should be done under proper guidance.